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                                                                    EXHIBIT 23.1

                         CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statements and
related Prospectuses of Equity Office Properties Trust for the registration of:

     -    25,000,000 common shares of beneficial interest issuable under the
          Equity Office Properties Trust Dividend Reinvestment and Share
          Purchase Plan (registration statement no. 333-81303);

     -    328,691 common shares of beneficial interest (registration statement
          no. 333-72922);

     -    16,784,214 common shares of beneficial interest (registration
          statement no. 333-57526);

     -    guarantee of $4.0 billion of debt securities and warrants exercisable
          for debt securities (registration statement no. 333-58976);

     -    9,558,824 common shares of beneficial interest issuable upon exchange
          of $325.0 million of senior exchangeable notes of EOP Operating
          Limited Partnership (registration statement no. 333-47754-01);

     -    12,398,803 common shares of beneficial interest (registration
          statement no. 333-35590);

     -    1,012,623 common shares of beneficial interest (registration statement
          no. 333-88481);

     -    21,649,274 common shares of beneficial interest (registration
          statement no. 333-86079);

     -    137,427 common shares of beneficial interest (registration statement
          no. 333-69619);

     -    6,854,451 common shares of beneficial interest (registration statement
          no. 333-62213);

     -    8,205,059 common shares of beneficial shares of beneficial interest
          (registration statement no. 333-40401-01);

     -    20,210,129 common shares of beneficial interest (registration
          statement no. 333-59069);

     -    6,000,000 5.25% Series B convertible, cumulative preferred shares of
          beneficial interest and 8,403,360 common shares of beneficial interest
          issuable upon conversion of the 5.25% Series B convertible, cumulative
          preferred shares of beneficial interest (registration statement no.
          333-61105);

     -    $1.5 billion of common shares of beneficial interest, preferred shares
          of beneficial interest, common share warrants and preferred share
          warrants (registration statement no. 333-58729);

     -    1,628,009 common shares of beneficial interest (registration statement
          no. 333-58687);

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     -    the Registration Statements relating to 3,124,774 common shares of
          beneficial interest issuable under Stock Option Agreements under the
          Spieker Properties, Inc 1993 Stock Incentive Plan and Directors' Stock
          Option Plan (registration statement no. 333-64604);

     -    3,681,212 common shares of beneficial interest issuable under the 1995
          and 1997 stock option agreements, stock option agreements under the
          Cornerstone 1998 long-term incentive plan and Cornerstone director
          stock option agreements (registration statement no. 333-39920);

     -    8,449,434 common shares of beneficial interest issuable under the
          Amended and Restated 1997 Share Option and Share Award Plan
          (registration statement no. 333-72205);

     -    2,000,000 common shares of beneficial interest issuable under the
          Equity Office Properties Trust 1997 Non-Qualified Employee Share
          Purchase Plan (registration statement no. 333-72187);

     -    4,749,095 common shares of beneficial interest issuable under the
          Beacon Properties Corporation 1994 Stock Option and Incentive Plan and
          1996 Stock Option Plan (registration statement no. 333-42393);

     -    2,000,000 common shares of beneficial interest issuable under the
          Equity Office Properties Trust 1997 Non-Qualified Employee Share
          Purchase Plan (registration statement no. 333-33503); and

     -    11,121,786 common shares of beneficial interest issuable under the
          Amended and Restated 1997 Share Option and Share Award Plan
          (registration statement no. 333-33501),

of our report dated February 5, 2004, except for Note 26, as to which the date
is March 5, 2004 with respect to the consolidated financial statements and
schedule of Equity Office Properties Trust included in the Form 10-K for the
fiscal year ended December 31, 2003.

Chicago, Illinois
March 15, 2004