EXHIBIT 3.15(a)

                         CERTIFICATE OF INCORPORATION
                                      OF
                       KOLL CAPITAL MARKETS GROUP, INC.

   The undersigned, for the purpose of incorporating a corporation under the
General Corporation Law of the State of Delaware, does hereby certify as
follows:

   FIRST. The name of the Corporation is KOLL CAPITAL MARKETS GROUP, INC.

   SECOND. The address of the Corporation's registered office in the State of
Delaware is 1209 Orange Street, in the City of Wilmington, County of New
Castle. The name of its registered agent at such address is The Corporation
Trust Company.

   THIRD. The purpose of the Corporation is to engage in any lawful act or
activity for which corporations may be organized under the General Corporation
Law of the State of Delaware.

   FOURTH. Authorized Shares. The total number of shares which the Corporation
shall have authority to issue is one hundred thousand (100,000) shares of
capital stock, all of which shall be designated "Common Stock," with a par
value of $.01 per share.

   FIFTH. The name and mailing address of the incorporator is D. Glen Raiger,
4343 Von Karman Avenue, Newport Beach, California 92660.

   SIXTH. In furtherance and not in limitation of the powers conferred by
statute, the Board of Directors of the Corporation is expressly authorized to
make, alter or repeal the by-laws of the Corporation.

   SEVENTH. A director of the Corporation shall not be liable to the
Corporation or its stockholders for monetary damages for breach of fiduciary
duty as a director, except to the extent such exemption from liability or
limitation thereof is not permitted under the General Corporation Law of the
State of Delaware as the same exists or may hereafter be amended. Any
amendment, modification or repeal of the foregoing sentence by the stockholders
of the Corporation shall not adversely affect any right or protection of a
director of the Corporation in respect of any act or omission occurring prior
to the time of such amendment, modification or repeal.

   EIGHTH. Elections of directors need not be by written ballot except and to
the extent provided in the by-laws of the Corporation.

   NINTH. The Corporation reserves the right at any time, and from time to
time, to amend, alter, change or repeal any provision contained in this
Certificate of Incorporation, and other provisions authorized by the laws of
the State of Delaware at the time in force may be added or inserted, in the
manner now or hereafter prescribed by law; and all rights, preferences and
privileges of whatsoever nature conferred upon stockholders, directors or any
other persons whomsoever by and pursuant to this Certificate of Incorporation,
as may be amended from time to time, are granted subject to the rights reserved
in this Article NINTH.

   IN WITNESS WHEREOF, the undersigned incorporator does hereby execute this
Certificate of Incorporation this 17/th/ day of February, 1993.

                                          /s/ D. Glen Raiger
                                          _____________________________________
                                          D. Glen Raiger, Incorporator

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