<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
<!--Generated by ThunderDome XBRL - 02:59PM UTC 2018-08-13--><xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:bomn="http://www.bostonomaha.com/20180630" xmlns:country="http://xbrl.sec.gov/country/2017-01-31" xmlns:currency="http://xbrl.sec.gov/currency/2017-01-31" xmlns:dei="http://xbrl.sec.gov/dei/2018-01-31" xmlns:exch="http://xbrl.sec.gov/exch/2018-01-31" xmlns:invest="http://xbrl.sec.gov/invest/2013-01-31" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:naics="http://xbrl.sec.gov/naics/2011-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:srt="http://fasb.org/srt/2018-01-31" xmlns:stpr="http://xbrl.sec.gov/stpr/2011-01-31" xmlns:us-gaap="http://fasb.org/us-gaap/2018-01-31" xmlns:us-types="http://fasb.org/us-types/2018-01-31" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.bostonomaha.com/20180630">
  <xsd:import namespace="http://xbrl.sec.gov/country/2017-01-31" schemaLocation="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/naics/2011-01-31" schemaLocation="http://xbrl.sec.gov/naics/2011/naics-2011-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xsd:import namespace="http://fasb.org/us-gaap/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/sic/2011-01-31" schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/exch/2018-01-31" schemaLocation="https://xbrl.sec.gov/exch/2018/exch-2018-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/stpr/2011-01-31" schemaLocation="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/currency/2017-01-31" schemaLocation="http://xbrl.sec.gov/currency/2017/currency-2017-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/invest/2013-01-31" schemaLocation="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xsd:import namespace="http://fasb.org/us-types/2018-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2018/elts/us-types-2018-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd"/>
  <xsd:import namespace="http://fasb.org/srt/2018-01-31" schemaLocation="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd"/>
  <xsd:import namespace="http://xbrl.sec.gov/dei/2018-01-31" schemaLocation="https://xbrl.sec.gov/dei/2018/dei-2018-01-31.xsd"/>
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bomn-20180630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bomn-20180630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bomn-20180630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="bomn-20180630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="statement-document-and-entity-information" roleURI="http://www.bostonomaha.com/20180630/role/statement-document-and-entity-information">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-balance-sheets-current-period-unaudited" roleURI="http://www.bostonomaha.com/20180630/role/statement-consolidated-balance-sheets-current-period-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">001 - Statement - Consolidated Balance Sheets (Current Period Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-balance-sheets-current-period-unaudited-parentheticals" roleURI="http://www.bostonomaha.com/20180630/role/statement-consolidated-balance-sheets-current-period-unaudited-parentheticals">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-operations-unaudited" roleURI="http://www.bostonomaha.com/20180630/role/statement-consolidated-statements-of-operations-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">003 - Statement - Consolidated Statements of Operations (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statement-of-changes-in-stockholders-equity-unaudited" roleURI="http://www.bostonomaha.com/20180630/role/statement-consolidated-statement-of-changes-in-stockholders-equity-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">004 - Statement - Consolidated Statement of Changes in Stockholders' Equity (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-consolidated-statements-of-cash-flows-unaudited" roleURI="http://www.bostonomaha.com/20180630/role/statement-consolidated-statements-of-cash-flows-unaudited">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">005 - Statement - Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-1-organization-and-background" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-1-organization-and-background">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">006 - Disclosure - Note 1 - Organization and Background</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-summary-of-significant-accounting-policies" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-2-summary-of-significant-accounting-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">007 - Disclosure - Note 2 - Summary of Significant Accounting Policies</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-restricted-cash" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-3-restricted-cash">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">008 - Disclosure - Note 3 - Restricted Cash</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-accounts-receivable" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-4-accounts-receivable">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">009 - Disclosure - Note 4 - Accounts Receivable</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-and-equipment" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-5-property-and-equipment">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">010 - Disclosure - Note 5 - Property and Equipment</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-business-acquisitions" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-6-business-acquisitions">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">011 - Disclosure - Note 6 - Business Acquisitions</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-7-intangible-assets">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">012 - Disclosure - Note 7 - Intangible Assets</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">013 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-fair-value" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-9-fair-value">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">014 - Disclosure - Note 9 - Fair Value</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-asset-retirement-obligations" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-10-asset-retirement-obligations">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">015 - Disclosure - Note 10 - Asset Retirement Obligations</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-capital-stock" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-11-capital-stock">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">016 - Disclosure - Note 11 - Capital Stock</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-future-minimum-lease-payments" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-12-future-minimum-lease-payments">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">017 - Disclosure - Note 12 - Future Minimum Lease Payments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-industry-segments" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-13-industry-segments">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">018 - Document - Note 13 - Industry Segments</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-custodial-risk" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-14-custodial-risk">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">019 - Disclosure - Note 14 - Custodial Risk</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-subsequent-events" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-15-subsequent-events">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">020 - Disclosure - Note 15 - Subsequent Events</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-significant-accounting-policies-policies" roleURI="http://www.bostonomaha.com/20180630/role/statement-significant-accounting-policies-policies">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">021 - Disclosure - Significant Accounting Policies (Policies)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-restricted-cash-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-3-restricted-cash-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">022 - Disclosure - Note 3 - Restricted Cash (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-accounts-receivable-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-4-accounts-receivable-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">023 - Disclosure - Note 4 - Accounts Receivable (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-and-equipment-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-5-property-and-equipment-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">024 - Disclosure - Note 5 - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-business-acquisitions-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-6-business-acquisitions-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">025 - Disclosure - Note 6 - Business Acquisitions (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-7-intangible-assets-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">026 - Disclosure - Note 7 - Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">027 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-fair-value-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-9-fair-value-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">028 - Disclosure - Note 9 - Fair Value (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-asset-retirement-obligations-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-10-asset-retirement-obligations-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">029 - Disclosure - Note 10 - Asset Retirement Obligations (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-capital-stock-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-11-capital-stock-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">030 - Disclosure - Note 11 - Capital Stock (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-future-minimum-lease-payments-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-12-future-minimum-lease-payments-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">031 - Disclosure - Note 12 - Future Minimum Lease Payments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-industry-segments-tables" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-13-industry-segments-tables">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">032 - Disclosure - Note 13 - Industry Segments (Tables)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-2-summary-of-significant-accounting-policies-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-2-summary-of-significant-accounting-policies-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">033 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-3-restricted-cash-schedule-of-restricted-cash-and-cash-equivalents-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-3-restricted-cash-schedule-of-restricted-cash-and-cash-equivalents-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">034 - Disclosure - Note 3 - Restricted Cash - Schedule of Restricted Cash and Cash Equivalents (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-4-accounts-receivable-schedule-of-receivables-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-4-accounts-receivable-schedule-of-receivables-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">035 - Disclosure - Note 4 - Accounts Receivable - Schedule of Receivables (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-and-equipment-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-5-property-and-equipment-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">036 - Disclosure - Note 5 - Property and Equipment (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-5-property-and-equipment-schedule-of-property-plant-and-equipment-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-5-property-and-equipment-schedule-of-property-plant-and-equipment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">037 - Disclosure - Note 5 - Property and Equipment - Schedule of Property, Plant and Equipment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-business-acquisitions-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-6-business-acquisitions-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">038 - Disclosure - Note 6 - Business Acquisitions (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-business-acquisitions-schedule-of-allocation-of-the-purchase-price-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-6-business-acquisitions-schedule-of-allocation-of-the-purchase-price-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">039 - Disclosure - Note 6 - Business Acquisitions - Schedule of Allocation of the Purchase Price (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-6-business-acquisitions-pro-forma-information-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-6-business-acquisitions-pro-forma-information-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">040 - Disclosure - Note 6 - Business Acquisitions - Pro Forma Information (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-7-intangible-assets-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">041 - Disclosure - Note 7 - Intangible Assets (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-schedule-of-intangible-assets-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-7-intangible-assets-schedule-of-intangible-assets-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">042 - Disclosure - Note 7 - Intangible Assets - Schedule of Intangible Assets (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-7-intangible-assets-schedule-of-future-amortization-intangible-assets-acquired-in-acquisitions-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-7-intangible-assets-schedule-of-future-amortization-intangible-assets-acquired-in-acquisitions-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">043 - Disclosure - Note 7 - Intangible Assets - Schedule of Future Amortization, Intangible Assets Acquired in Acquisitions (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">044 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-schedule-of-investments-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-schedule-of-investments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">045 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Schedule of Investments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-trading-securities-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-trading-securities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">046 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Trading Securities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-available-for-sale-securities-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-available-for-sale-securities-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">047 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Available for Sale Securities (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-reconciliation-of-the-companys-investments-in-equity-affiliates-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-reconciliation-of-the-companys-investments-in-equity-affiliates-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">048 - Disclosure - Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Reconciliation of the Company's Investments in Equity Affiliates (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-9-fair-value-fair-values-for-investments-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-9-fair-value-fair-values-for-investments-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">049 - Disclosure - Note 9 - Fair Value - Fair Values for Investments (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-10-asset-retirement-obligations-asset-retirement-obligations-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-10-asset-retirement-obligations-asset-retirement-obligations-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">050 - Disclosure - Note 10 - Asset Retirement Obligations - Asset Retirement Obligations (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-capital-stock-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-11-capital-stock-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">051 - Disclosure - Note 11 - Capital Stock (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-11-capital-stock-summary-of-warrant-activity-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-11-capital-stock-summary-of-warrant-activity-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">052 - Disclosure - Note 11 - Capital Stock - Summary of Warrant Activity (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-future-minimum-lease-payments-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-12-future-minimum-lease-payments-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">053 - Disclosure - Note 12 - Future Minimum Lease Payments (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-12-future-minimum-lease-payments-summary-of-future-minimum-rents-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-12-future-minimum-lease-payments-summary-of-future-minimum-rents-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">054 - Disclosure - Note 12 - Future Minimum Lease Payments - Summary of Future Minimum Rents (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-13-industry-segments-schedule-of-segment-reporting-information-by-segment-details" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-13-industry-segments-schedule-of-segment-reporting-information-by-segment-details">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">055 - Disclosure - Note 13 - Industry Segments - Schedule of Segment Reporting Information, by Segment (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-14-custodial-risk-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-14-custodial-risk-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">056 - Disclosure - Note 14 - Custodial Risk (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType id="statement-note-15-subsequent-events-details-textual" roleURI="http://www.bostonomaha.com/20180630/role/statement-note-15-subsequent-events-details-textual">
        <link:definition xmlns="http://www.xbrl.org/2003/linkbase">057 - Disclosure - Note 15 - Subsequent Events (Details Textual)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="bomn_AmortizationPurchaseAccountingAdjustments" name="AmortizationPurchaseAccountingAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="bomn_AnnualGroundLeaseBaseRent" name="AnnualGroundLeaseBaseRent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_AnticipatedSalvageAndSubrogationMember" name="AnticipatedSalvageAndSubrogationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_AssetRetirementObligationLiabilitiesIncurredIncludingAccretion" name="AssetRetirementObligationLiabilitiesIncurredIncludingAccretion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="bomn_AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet" name="AssetsNoncurrentExcludingPropertyPlantAndEquipmentNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_BillboardRentalsMember" name="BillboardRentalsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_BillboardReplacementReserveMember" name="BillboardReplacementReserveMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_BoardOfDirectorsMember" name="BoardOfDirectorsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_BreezewayHomesIncMember" name="BreezewayHomesIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted" name="BusinessAcquisitionProFormaEarningsPerShareBasicAndDiluted" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_CapitalExpenditures" name="CapitalExpenditures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightExercisedDuringPeriod" name="ClassOfWarrantOrRightExercisedDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightExercisedDuringPeriodExercisePrice" name="ClassOfWarrantOrRightExercisedDuringPeriodExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightExpiredDuringPeriod" name="ClassOfWarrantOrRightExpiredDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightIssuedDuringPeriod" name="ClassOfWarrantOrRightIssuedDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightIssuedDuringPeriodExercisePrice" name="ClassOfWarrantOrRightIssuedDuringPeriodExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ClassOfWarrantOrRightTerm" name="ClassOfWarrantOrRightTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_ClearChannelOutdoorHartlindAndSoutheasternUsMember" name="ClearChannelOutdoorHartlindAndSoutheasternUsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_ClearChannelOutdoorIncMember" name="ClearChannelOutdoorIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_CompensationPercentageOfCommonStockSales" name="CompensationPercentageOfCommonStockSales" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_CoreyCompaniesIncMember" name="CoreyCompaniesIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_CostMethodInvestmentOwnershipPercentage" name="CostMethodInvestmentOwnershipPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_CowenAndCompanyLLCMember" name="CowenAndCompanyLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_CustodialRiskDisclosureTextBlock" name="CustodialRiskDisclosureTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_DepreciationDepletionAmortizationAndAccretion" name="DepreciationDepletionAmortizationAndAccretion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_DocumentAndEntityInformation" name="DocumentAndEntityInformation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_EasementsMember" name="EasementsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_FreeStateBondsIncMember" name="FreeStateBondsIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_GIGMember" name="GIGMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_HartlindOutdoorLLCMember" name="HartlindOutdoorLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_IncreaseDecreaseInShorttermInvestments" name="IncreaseDecreaseInShorttermInvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_InsurancePremiumEscrowMember" name="InsurancePremiumEscrowMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_LMHMember" name="LMHMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_NoncashNotesReceivableFromSaleOfAssets" name="NoncashNotesReceivableFromSaleOfAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element id="bomn_NoncashOrPartNoncashAcquisitionOfDepositsAssumed" name="NoncashOrPartNoncashAcquisitionOfDepositsAssumed" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_NonsolicitationAgreementMember" name="NonsolicitationAgreementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_NonvotingCommonUnitsOfLLCMember" name="NonvotingCommonUnitsOfLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_NoteReceivableStatedInterestRate" name="NoteReceivableStatedInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_NoteToFinancialStatementDetailsTextual" name="NoteToFinancialStatementDetailsTextual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_NotesToFinancialStatements" name="NotesToFinancialStatements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_OfficeFurnitureAndEquipmentMember" name="OfficeFurnitureAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_PermitsLicensesAndLeaseAcquisitionCostsMember" name="PermitsLicensesAndLeaseAcquisitionCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_PremiumMember" name="PremiumMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ProceedsFromIssuanceOfCommonStockNet" name="ProceedsFromIssuanceOfCommonStockNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_RelatedPartyMember" name="RelatedPartyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_RemainingOwnershipInterestPercentage" name="RemainingOwnershipInterestPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant"/>
  <xsd:element id="bomn_RepaymentsOfShorttermDebtRelatedToAcquisition" name="RepaymentsOfShorttermDebtRelatedToAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="bomn_SaleOfStockShelfRegistrationValueAvailableToIssue" name="SaleOfStockShelfRegistrationValueAvailableToIssue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="bomn_SaleOfStockShelfRegistrationValueIncrementalAmountAvailableToIssue" name="SaleOfStockShelfRegistrationValueIncrementalAmountAvailableToIssue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="bomn_SaleOfStockValueAvailableToIssue" name="SaleOfStockValueAvailableToIssue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_ShelfRegistrationMember" name="ShelfRegistrationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="bomn_ShortTermPayableForAcquisition" name="ShortTermPayableForAcquisition" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="bomn_SiteLocationMember" name="SiteLocationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_SouthCoastSuretyInsuranceServicesLLCMember" name="SouthCoastSuretyInsuranceServicesLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_SoutheasternUSMember" name="SoutheasternUSMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_StructuresAndDisplaysMember" name="StructuresAndDisplaysMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_SuretySupportServicesIncMember" name="SuretySupportServicesIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_SuretySupportServicesSouthCostSuretyInsurancesServicesLLCAndFreeStateBondsIncMember" name="SuretySupportServicesSouthCostSuretyInsurancesServicesLLCAndFreeStateBondsIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_TammyLynnOutdoorLLCMember" name="TammyLynnOutdoorLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_UnallocatedMember" name="UnallocatedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_UnconsolidatedAffiliatesMember" name="UnconsolidatedAffiliatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_UsTreasuryNotesAndCorporateBondsMember" name="UsTreasuryNotesAndCorporateBondsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_VehiclesAndEquipmentMember" name="VehiclesAndEquipmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_ViewMediaLLCMember" name="ViewMediaLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_VisionOutdoorMediaLLCMember" name="VisionOutdoorMediaLLCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_VotingCommonStockOfPrivatelyHeldCompanyCBTHoldingCorporationMember" name="VotingCommonStockOfPrivatelyHeldCompanyCBTHoldingCorporationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-10-asset-retirement-obligations-asset-retirement-obligations-details" name="statement-statement-note-10-asset-retirement-obligations-asset-retirement-obligations-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-10-asset-retirement-obligations-tables" name="statement-statement-note-10-asset-retirement-obligations-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-11-capital-stock-summary-of-warrant-activity-details" name="statement-statement-note-11-capital-stock-summary-of-warrant-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-11-capital-stock-tables" name="statement-statement-note-11-capital-stock-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-12-future-minimum-lease-payments-summary-of-future-minimum-rents-details" name="statement-statement-note-12-future-minimum-lease-payments-summary-of-future-minimum-rents-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-12-future-minimum-lease-payments-tables" name="statement-statement-note-12-future-minimum-lease-payments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-13-industry-segments-schedule-of-segment-reporting-information-by-segment-details" name="statement-statement-note-13-industry-segments-schedule-of-segment-reporting-information-by-segment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-13-industry-segments-tables" name="statement-statement-note-13-industry-segments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-3-restricted-cash-schedule-of-restricted-cash-and-cash-equivalents-details" name="statement-statement-note-3-restricted-cash-schedule-of-restricted-cash-and-cash-equivalents-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-3-restricted-cash-tables" name="statement-statement-note-3-restricted-cash-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-4-accounts-receivable-schedule-of-receivables-details" name="statement-statement-note-4-accounts-receivable-schedule-of-receivables-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-4-accounts-receivable-tables" name="statement-statement-note-4-accounts-receivable-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-5-property-and-equipment-schedule-of-property-plant-and-equipment-details" name="statement-statement-note-5-property-and-equipment-schedule-of-property-plant-and-equipment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-5-property-and-equipment-tables" name="statement-statement-note-5-property-and-equipment-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-6-business-acquisitions-pro-forma-information-details" name="statement-statement-note-6-business-acquisitions-pro-forma-information-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-6-business-acquisitions-schedule-of-allocation-of-the-purchase-price-details" name="statement-statement-note-6-business-acquisitions-schedule-of-allocation-of-the-purchase-price-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-6-business-acquisitions-tables" name="statement-statement-note-6-business-acquisitions-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-7-intangible-assets-schedule-of-future-amortization-intangible-assets-acquired-in-acquisitions-details" name="statement-statement-note-7-intangible-assets-schedule-of-future-amortization-intangible-assets-acquired-in-acquisitions-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-7-intangible-assets-schedule-of-intangible-assets-details" name="statement-statement-note-7-intangible-assets-schedule-of-intangible-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-7-intangible-assets-tables" name="statement-statement-note-7-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-available-for-sale-securities-details" name="statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-available-for-sale-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-reconciliation-of-the-companys-investments-in-equity-affiliates-details" name="statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-reconciliation-of-the-companys-investments-in-equity-affiliates-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-schedule-of-investments-details" name="statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-schedule-of-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-tables" name="statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-trading-securities-details" name="statement-statement-note-8-investments-including-investments-accounted-for-using-the-equity-method-trading-securities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-9-fair-value-fair-values-for-investments-details" name="statement-statement-note-9-fair-value-fair-values-for-investments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-note-9-fair-value-tables" name="statement-statement-note-9-fair-value-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="bomn_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
