-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IScDFEifztQIkinvevdAvAb5ZkfBCLJcyH0i3l2PkciptE0hJfGB9Ic1js9Da9G/
 KFT8Kokbsg0MZt1aID5Cig==

<SEC-DOCUMENT>0001181431-10-058755.txt : 20101202
<SEC-HEADER>0001181431-10-058755.hdr.sgml : 20101202
<ACCEPTANCE-DATETIME>20101202162056
ACCESSION NUMBER:		0001181431-10-058755
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101122
FILED AS OF DATE:		20101202
DATE AS OF CHANGE:		20101202

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fedrizzi Steven R
		CENTRAL INDEX KEY:			0001506584

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05581
		FILM NUMBER:		101228129

	MAIL ADDRESS:	
		STREET 1:		2665 S. BAYSHORE DRIVE
		STREET 2:		SUITE 901
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33133

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd292287.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-11-22</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001506584</rptOwnerCik>
            <rptOwnerName>Fedrizzi Steven R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2665 S. BAYSHORE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 901</rptOwnerStreet2>
            <rptOwnerCity>COCONUT GROVE</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33146</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>60.01</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>20000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests 33 1/3% on November 22, 2010, 33 1/3% on November 22, 2011 and 33 1/3% on November 22, 2012</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Steven R. Fedrizzi</signatureName>
        <signatureDate>2010-11-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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