    <SEC-DOCUMENT>0001140361-24-019977-index.html : 20240416
    <SEC-HEADER>0001140361-24-019977.hdr.sgml : 20240416
    <ACCEPTANCE-DATETIME>20240416105326
    ACCESSION NUMBER:		0001140361-24-019977
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20231231
    FILED AS OF DATE:		20240416
    DATE AS OF CHANGE:		20240416
    EFFECTIVENESS DATE:		20240416

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13087
    		FILM NUMBER:		24846420

    	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

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BOSTON PROPERTIES LTD PARTNERSHIP
    		CENTRAL INDEX KEY:			0001043121
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-50209
    		FILM NUMBER:		24846421

    	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>ARS
    <SEQUENCE>1
    <FILENAME>ef20026836_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: ef20026836_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>