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                                                                    EXHIBIT 21.1

                    SUBSIDIARIES OF BOSTON PROPERTIES, INC.

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Name                                              Jurisdiction of Formation/Incorporation
----                                              ---------------------------------------
<S>                                                    <C> 
Boston Properties Limited Partnership                           Delaware

Boston Properties Management, Inc.                              Delaware
                                                          
Boston Properties LLC                                           Delaware
                                                          
BP Lex LLC                                                      Delaware
                                                          
Oceanview Development Company                                   District of Columbia
 Limited Partnership

School Street Associates Limited Partnership                    District of Columbia
                                             
Square 36 Office Joint Venture                                  District of Columbia
                                             
Southwest Market Limited Partnership                            District of Columbia

Montgomery Village Avenue Joint Venture                         Maryland
 Limited Partnership

Democracy Associates Limited Partnership                        Maryland

Maryland 50 Building I Associates                               Massachusetts
 Limited Partnership

Maryland 50 Building II Associates                              Massachusetts
 Limited Partnership

Maryland 50 Building III Associates                             Maryland 
 Limited Partnership

Maryland 50 Associates Limited Partnership                      Maryland

The Double B Partnership                                        Massachusetts

Lexreal Associates Limited Partnership                          New York
                                           
90 Church Street Limited Partnership                            Delaware
                                           
Cambridge Center West Associates Limited                        Massachusetts
 Partnership

BP Management, L.P.                                             Delaware
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