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    <ACCEPTANCE-DATETIME>20210209162238
    ACCESSION NUMBER:		0000074208-21-000016
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		22
    CONFORMED PERIOD OF REPORT:	20210209
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210209
    DATE AS OF CHANGE:		20210209

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			UDR, Inc.
    		CENTRAL INDEX KEY:			0000074208
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				540857512
    		STATE OF INCORPORATION:			MD
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10524
    		FILM NUMBER:		21606744

    	BUSINESS ADDRESS:
    		STREET 1:		1745 SHEA CENTER DRIVE
    		STREET 2:		SUITE 200
    		CITY:			HIGHLANDS RANCH
    		STATE:			CO
    		ZIP:			80129
    		BUSINESS PHONE:		720-283-6120

    	MAIL ADDRESS:
    		STREET 1:		1745 SHEA CENTER DRIVE
    		STREET 2:		SUITE 200
    		CITY:			HIGHLANDS RANCH
    		STATE:			CO
    		ZIP:			80129

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	UNITED DOMINION REALTY TRUST INC
    		DATE OF NAME CHANGE:	19920703

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OLD DOMINION REAL ESTATE INVESTMENT TRUST
    		DATE OF NAME CHANGE:	19850110

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OLD DOMINION REIT ONE
    		DATE OF NAME CHANGE:	19770921
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>udr-20210209x8k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: udr-20210209x8k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>udr-20210209ex991ca865a.htm
    <DESCRIPTION>EX-99.1
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    Document 2 - file: udr-20210209ex991ca865a.htm

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    <SEQUENCE>4
    <FILENAME>udr-20210209ex991ffa066.pdf
    <DESCRIPTION>EX-99.1 - PDF
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    <DOCUMENT>
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    <SEQUENCE>12
    <FILENAME>udr-20210209.xsd
    <DESCRIPTION>EX-101.SCH
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    Document 12 - file: udr-20210209.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>13
    <FILENAME>udr-20210209_lab.xml
    <DESCRIPTION>EX-101.LAB
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    Document 13 - file: udr-20210209_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>14
    <FILENAME>udr-20210209_pre.xml
    <DESCRIPTION>EX-101.PRE
    <TEXT>
    Document 14 - file: udr-20210209_pre.xml

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    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>udr-20210209x8k_htm.xml
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    <TYPE>XML
    <SEQUENCE>16
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>17
    <FILENAME>Financial_Report.xlsx
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    <TYPE>XML
    <SEQUENCE>18
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    <SEQUENCE>19
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    <SEQUENCE>20
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