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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,
 LLcMfRcvLXIemkMqOnv/vV/RgYsfZFcU5abkqkxgDdp/E0Pj51XRSN3fzzxgYWAj
 0Pqif7V1NrLj71DhZWd4ZQ==

<SEC-DOCUMENT>0001140361-08-014904.txt : 20080612
<SEC-HEADER>0001140361-08-014904.hdr.sgml : 20080612
<ACCEPTANCE-DATETIME>20080612130142
ACCESSION NUMBER:		0001140361-08-014904
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080604
FILED AS OF DATE:		20080612
DATE AS OF CHANGE:		20080612

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN COMMUNITY PROPERTIES TRUST
		CENTRAL INDEX KEY:			0001065645
		STANDARD INDUSTRIAL CLASSIFICATION:	LAND SUBDIVIDERS & DEVELOPERS (NO CEMETERIES) [6552]
		IRS NUMBER:				522058165
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		222 SMALLWOOD VILLAGE CENTER
		CITY:			ST. CHARLES
		STATE:			MD
		ZIP:			20602
		BUSINESS PHONE:		3018438600

	MAIL ADDRESS:	
		STREET 1:		222 SMALLWOOD VILLAGE CENTER
		CITY:			ST. CHARLES
		STATE:			MD
		ZIP:			20602

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			VON DER PORTEN ERIC P
		CENTRAL INDEX KEY:			0001035255

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14369
		FILM NUMBER:		08894957

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		804-217-5800

	MAIL ADDRESS:	
		STREET 1:		4551 COX ROAD
		STREET 2:		SUITE 300
		CITY:			GLEN ALLEN
		STATE:			VA
		ZIP:			23060
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 3
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-06-04</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001065645</issuerCik>
        <issuerName>AMERICAN COMMUNITY PROPERTIES TRUST</issuerName>
        <issuerTradingSymbol>APO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001035255</rptOwnerCik>
            <rptOwnerName>VON DER PORTEN ERIC P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1395 SAN CARLOS AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE B</rptOwnerStreet2>
            <rptOwnerCity>SAN CARLOS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Trustee</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>288000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Leeward Capital LP</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Eric P. Von der Porten</signatureName>
        <signatureDate>2008-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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