<SUBMISSION>
<ACCESSION-NUMBER>0001181431-04-027277
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20040520
<FILING-DATE>20040521
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>SAUL CENTERS INC
<CIK>0000907254
<ASSIGNED-SIC>6798
<IRS-NUMBER>521833074
<STATE-OF-INCORPORATION>MD
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>8401 CONNECTICUT AVE
<CITY>CHEVY CHASE
<STATE>MD
<ZIP>20815
<PHONE>3019866207
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>8401 CONNECTICUT AVE
<CITY>CHEVY CHASE
<STATE>MD
<ZIP>20815
</MAIL-ADDRESS>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>SAUL B FRANCIS II
<CIK>0001027551
<ASSIGNED-SIC>6500
<STATE-OF-INCORPORATION>MD
<FISCAL-YEAR-END>0820
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-12254
<FILM-NUMBER>04824529
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>8401 CONNECTICUT AVE
<CITY>CHEVY CHASE
<STATE>MD
<ZIP>20815
<PHONE>3019867000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>8401 CONNECTICUT AVE
<CITY>CHEVY CHASE
<STATE>MD
<ZIP>20815
</MAIL-ADDRESS>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd43279.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000907254</issuerCik>
        <issuerName>SAUL CENTERS INC</issuerName>
        <issuerTradingSymbol>BFS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001027551</rptOwnerCik>
            <rptOwnerName>SAUL B FRANCIS II</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7501 WISCONSIN AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>15TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>BETHESDA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20814</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>624.262</value>
                    <footnoteId id="F11"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7620.625</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4072.379</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F3"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8320.625</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F4"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3692051.669</value>
                    <footnoteId id="F13"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61605.817</value>
                    <footnoteId id="F14"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1285686.575</value>
                    <footnoteId id="F15"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F6"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>225038.009</value>
                    <footnoteId id="F17"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F7"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F7"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>289072.917</value>
                    <footnoteId id="F12"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F8"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>106.541</value>
                    <footnoteId id="F16"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F9"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F9"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6187</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.0537</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8474</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F10"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2004-05-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>6187</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.5092</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14661</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F10"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>25.78</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-04-26</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-04-26</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2500</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Owned by B.F. Saul Real Estate Investment Trust, of which the reporting person is Chairman of the Board and the majority owner.</footnote>
        <footnote id="F2">Owned by the Elizabeth Willoughby Saul Trust, of which the reporting person is sole trustee. Ms. Saul is the daughter of the reporting person. The reporting person disclaims beneficial ownership of these shares.</footnote>
        <footnote id="F3">Owned by The Sharon Elizabeth Saul Trust, of which the reporting person is sole trustee. Ms. Saul is the daughter of the reporting person. The reporting person disclaims beneficial ownership of these shares.</footnote>
        <footnote id="F4">Owned by the Patricia English Saul Trust, of which the reporting person is sole trustee. Ms. Saul is the daughter of the reporting person. The reporting person disclaims beneficial ownership of these shares.</footnote>
        <footnote id="F5">Owned by Patricia E. Saul, the reporting person's spouse.</footnote>
        <footnote id="F6">Owned by The B.F. Saul Company Employees' Profit Sharing Reinvestment Trust (the &quot;Pension Trust&quot;, a profit sharing retirement plan for the benefit of the employees of B.F. Saul Company and other participating employers.  The Pension Trust is administered by four trustees, one of which is the reporting person.  The reporting person disclaims benefical ownership of the securities in the Pension Trust that exceed his pecuniary interest in the Pension Trust.</footnote>
        <footnote id="F7">Owned by B.F. Saul Property Company, which is a  wholly-owned subsidiary of B.F. Saul Company, of which the reporting person is Chairman of the Board and Chief Executive Officer.</footnote>
        <footnote id="F8">Owned by Dearborn, L.L.C., the sole member of which is B.F. Saul Real Estate Investment Trust, of which the reporting person is Chairman of the Board and the majority owner.</footnote>
        <footnote id="F9">Owned by Van Ness Square Corporation, of which the reporting person is Chairman of the Board and Chief Executive Officer.</footnote>
        <footnote id="F10">Owned by B.F. Saul Company, of which the reporting person is Chairman of the Board and Chief Executive Officer.</footnote>
        <footnote id="F11">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 8.847 shares and 9.881 shares, respectively.</footnote>
        <footnote id="F12">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 4,096.603 shares and 4,575.424 shares, respectively.</footnote>
        <footnote id="F13">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 71,916.234 shares and 79,894.426 shares, respectively.</footnote>
        <footnote id="F14">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 873.048 shares and 975.092 shares, respectively.</footnote>
        <footnote id="F15">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 18,220.133 shares and 20,349.747 shares, respectively.</footnote>
        <footnote id="F16">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 1.510 shares and 1.686 shares, respectively.</footnote>
        <footnote id="F17">Balance increased by January 31, 2004 and April 30, 2004 Dividend Reinvestment Plan awards of 3,189.131 shares and 3,561.884 shares, respectively.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>B. Francis Saul II</signatureName>
        <signatureDate>2004-05-21</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
