    <SEC-DOCUMENT>0001193125-21-105286-index.html : 20210405
    <SEC-HEADER>0001193125-21-105286.hdr.sgml : 20210405
    <ACCEPTANCE-DATETIME>20210402182905
    ACCESSION NUMBER:		0001193125-21-105286
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		48
    CONFORMED PERIOD OF REPORT:	20210520
    FILED AS OF DATE:		20210405
    DATE AS OF CHANGE:		20210402

    FILER:

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

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13087
    		FILM NUMBER:		21803299

    	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>DEF 14A
    <SEQUENCE>1
    <FILENAME>d104019ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d104019ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g104019g01a01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g104019g01a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g104019g01a22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g104019g01a22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g104019g01r97.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g104019g01r97.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g104019g02a02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g104019g02a02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g104019g02p59.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g104019g02p59.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g104019g07y22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g104019g07y22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g104019g08u07.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g104019g08u07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g104019g11n39.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g104019g11n39.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g104019g12u22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g104019g12u22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g104019g15q66.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g104019g15q66.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g104019g16x54.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g104019g16x54.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g104019g16z23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g104019g16z23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g104019g21a34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g104019g21a34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g104019g22b07.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g104019g22b07.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g104019g22o29.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g104019g22o29.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g104019g23c08.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g104019g23c08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g104019g24d09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g104019g24d09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g104019g25e04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g104019g25e04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g104019g25i37.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g104019g25i37.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g104019g26g17.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g104019g26g17.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g104019g28k04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g104019g28k04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g104019g29h05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g104019g29h05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g104019g30r01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g104019g30r01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g104019g31p96.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g104019g31p96.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g104019g31s02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g104019g31s02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g104019g32u16.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g104019g32u16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g104019g32v11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g104019g32v11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g104019g33f34.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g104019g33f34.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g104019g35a01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g104019g35a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g104019g41a02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g104019g41a02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g104019g51m74.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g104019g51m74.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g104019g54r48.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g104019g54r48.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g104019g59l84.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g104019g59l84.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g104019g62b92.gif
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g104019g62b92.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g104019g62n18.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g104019g62n18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g104019g64m46.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g104019g64m46.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g104019g67u45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g104019g67u45.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g104019g69a01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g104019g69a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g104019g69b02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g104019g69b02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g104019g71r06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g104019g71r06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g104019g72v24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g104019g72v24.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g104019g77w68.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g104019g77w68.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g104019g80m45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g104019g80m45.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g104019g81n65.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g104019g81n65.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g104019g91j94.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g104019g91j94.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g104019g98j42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g104019g98j42.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>g104019g98q67.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: g104019g98q67.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>