    <SEC-DOCUMENT>0001656423-24-000018-index.html : 20240412
    <SEC-HEADER>0001656423-24-000018.hdr.sgml : 20240412
    <ACCEPTANCE-DATETIME>20240412110151
    ACCESSION NUMBER:		0001656423-24-000018
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20240412
    DATE AS OF CHANGE:		20240412

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BOSTON PROPERTIES INC
    		CENTRAL INDEX KEY:			0001037540
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		IRS NUMBER:				042473675
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13087
    		FILM NUMBER:		24840400

    	BUSINESS ADDRESS:
    		STREET 1:		800 BOYLSTON STREET
    		STREET 2:		SUITE 1900
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02199
    		BUSINESS PHONE:		6172363300

    	MAIL ADDRESS:
    		STREET 1:		800 BOYLSTON STREET
    		STREET 2:		SUITE 1900
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02199
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>defa14a2024.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: defa14a2024.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>bxp_noticecard-01a.jpg
    <TEXT>
    Document 2 - file: bxp_noticecard-01a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>bxp_noticecard-02a.jpg
    <TEXT>
    Document 3 - file: bxp_noticecard-02a.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>