Exhibit 23.1

Independent Auditors’ Consent

The Board of Directors

AmeriVest Properties Inc.:

We consent to the use of our report dated October 4, 2002, with respect to the statement of revenue and certain expenses of Parkway Centre II Office Building in Plano, Texas for the year ended December 31, 2001 included in the AmeriVest Properties Inc.
Form 8-K/A dated September 5, 2002 and incorporated herein by reference and to the reference to our firm under the heading “Experts” in the prospectus.

/s/    KPMG LLP

Denver, Colorado

December 20, 2002