<SEC-DOCUMENT>0001181431-12-003359.txt : 20120120
<SEC-HEADER>0001181431-12-003359.hdr.sgml : 20120120
<ACCEPTANCE-DATETIME>20120120170558
ACCESSION NUMBER:		0001181431-12-003359
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20111231
FILED AS OF DATE:		20120120
DATE AS OF CHANGE:		20120120

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WATSCO INC
		CENTRAL INDEX KEY:			0000105016
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-HARDWARE & PLUMBING & HEATING EQUIPMENT & SUPPLIES [5070]
		IRS NUMBER:				590778222
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2665 S BAYSHORE DR
		STREET 2:		STE 901
		CITY:			COCONUT GROVE
		STATE:			FL
		ZIP:			33133
		BUSINESS PHONE:		3058580828

	MAIL ADDRESS:	
		STREET 1:		2665 SOUTH BAYSHORE DR, STE 901
		CITY:			COCONUT GROVE
		STATE:			FL
		ZIP:			33133

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALVAREZ CESAR L
		CENTRAL INDEX KEY:			0001220297

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05581
		FILM NUMBER:		12537678

	MAIL ADDRESS:	
		STREET 1:		C/O PEDIATRIX MEDICAL GROUP
		STREET 2:		LEGAL DEPT 1301- CONCORD TERRACE
		CITY:			SUNRISE
		STATE:			FL
		ZIP:			33323
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>rrd326288.xml
<DESCRIPTION>FORM 5 - 12/31/11
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2011-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0000105016</issuerCik>
        <issuerName>WATSCO INC</issuerName>
        <issuerTradingSymbol>WSO; WSOB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001220297</rptOwnerCik>
            <rptOwnerName>ALVAREZ CESAR L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2665 SOUTH BAYSHORE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 901</rptOwnerStreet2>
            <rptOwnerCity>COCONUT GROVE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33133</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionCoding></transactionCoding>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>55313</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>/s/ Cesar L. Alvarez</signatureName>
        <signatureDate>2012-01-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
