Exhibit (a)(4)






                              NOTICE OF WITHDRAWAL


             The undersigned hereby withdraws units of limited partnership
interest in Secured Income L.P. ("Units") heretofore tendered by the undersigned
to AIMCO/Bethesda Holdings Acquisitions, Inc. pursuant to its tender offer dated
September 1, 2004, as amended to date.

Name of person who tendered Units: ____________________________________________

Name of registered Unit holder (if different):_________________________________

Number of Units to be withdrawn  (state "all" if all Units tendered are to be
withdrawn): __________


Date: _______________, 2004




________________________________________
Signature of Withdrawing Unit Holder


________________________________________
Signature of Joint Unit Holder, if any


INSTRUCTIONS

      For a withdrawal to be effective, a written notice of withdrawal must be
timely received by the information agent for AIMCO at its address or facsimile
number set forth below. Any such notice of withdrawal must specify the name of
the person who tendered, the number of Units to be withdrawn and the name of the
registered holder of such Units, if different from the person who tendered. In
addition, the notice of withdrawal must be signed by the person who signed
AIMCO's letter of transmittal in the same manner as such letter of transmittal
was signed. The information agent and its contact information are as follows:

THE ALTMAN GROUP, INC.

By hand, mail, or
overnight courier:                                      By facsimile:
-----------------                                       ------------

1275 Valley Brook Avenue                                (201) 460-0050
Lyndhurst, New Jersey 07071


To confirm withdrawal by telephone, call toll free: (800) 217-9608