<ACCESSION-NUMBER>0001193125-11-084871 <TYPE>DEF 14A <PUBLIC-DOCUMENT-COUNT>4 <PERIOD>20110513 <FILING-DATE>20110331 <DATE-OF-FILING-DATE-CHANGE>20110331 <EFFECTIVENESS-DATE>20110331 <FILER> <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> <FILING-VALUES> <FORM-TYPE>DEF 14A <ACT>34 <FILE-NUMBER>001-12254 <FILM-NUMBER>11726387 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>7501 WISCONSIN AVENUE <STREET2>SUITE 1500 <CITY>BETHESDA <STATE>MD <ZIP>20814 <PHONE>3019866207 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>7501 WISCONSIN AVENUE <STREET2>SUITE 1500 <CITY>BETHESDA <STATE>MD <ZIP>20814 </MAIL-ADDRESS> </FILER>