EXHIBIT 21.1

SUBSIDIARIES OF THE REGISTRANT

NAME OF SUBSIDIARY OR ORGANIZATION		STATE OF INCORPORATION OR FORMATION
Kilroy Realty, L.P		Delaware
Kilroy Realty Finance, Inc.		Delaware
Kilroy Realty Finance Partnership, L.P.		Delaware
Kilroy Services, LLC		Delaware
Kilroy Realty Partners, L.P.		Delaware
Kilroy Realty TRS, Inc.		Delaware