    <SEC-DOCUMENT>0001558370-18-000640-index.html : 20180213
    <SEC-HEADER>0001558370-18-000640.hdr.sgml : 20180213
    <ACCEPTANCE-DATETIME>20180213164227
    ACCESSION NUMBER:		0001558370-18-000640
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		12
    CONFORMED PERIOD OF REPORT:	20180213
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20180213
    DATE AS OF CHANGE:		20180213

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FRANKLIN STREET PROPERTIES CORP /MA/
    		CENTRAL INDEX KEY:			0001031316
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		IRS NUMBER:				042724223
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32470
    		FILM NUMBER:		18604116

    	BUSINESS ADDRESS:
    		STREET 1:		401 EDGEWATER PLACE
    		STREET 2:		STE 200
    		CITY:			WAKEFIELD
    		STATE:			MA
    		ZIP:			01880
    		BUSINESS PHONE:		7815571300

    	MAIL ADDRESS:
    		STREET 1:		401 EDGEWATER PLACE
    		STREET 2:		STE 200
    		CITY:			WAKEFIELD
    		STATE:			MA
    		ZIP:			01880

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FRANKLIN STREET PARTNERS LP
    		DATE OF NAME CHANGE:	20010301
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>f8-k.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: f8-k.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex-99d1.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: ex-99d1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>ex-99d2.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: ex-99d2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ex-99d2g001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: ex-99d2g001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>ex-99d2g002.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: ex-99d2g002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>ex-99d2g003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: ex-99d2g003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>ex-99d2g004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: ex-99d2g004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ex-99d2g005.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: ex-99d2g005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ex-99d2g006.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: ex-99d2g006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ex-99d2g007.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: ex-99d2g007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ex-99d2g008.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: ex-99d2g008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ex-99d2g009.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: ex-99d2g009.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>