Exhibit (a)(4)




This  announcement  is neither an offer to buy nor a solicitation of an offer to
sell Participation  Units. The Offer is being made solely by the formal Offer to
Purchase  forwarded  to Unit  holders  of record  and is not being  made to, and
tenders will not be accepted from or on behalf of, Unit holders  residing in any
jurisdiction  in  which  making  or  accepting  the  Offer  would  violate  that
jurisdiction's laws.

                      NOTICE OF OFFER TO PURCHASE FOR CASH:

       Up to 113.2 Units of Limited Partnership Interest of Riverside Park
          Associates, LP ("Riverside") at a price of $70,000 per Unit
  By the affiliates of MacKenzie Patterson Fuller, LP identified in the Offer
                    (collectively the "Riverside Purchasers")
                                       and
   Up to 3,291 Units of Limited Partnership Interest of Rancon Realty Fund IV,
  LP ("Rancon IV") at a price of $815 per Unit by the affiliates of MacKenzie
                  Patterson Fuller, LP identified in the Offer
                    (collectively the "Rancon IV Purchasers")
                                       and
   Up to 4,195 Units of Limited Partnership Interest of Rancon Realty Fund V,
   LP ("Rancon V") at a price of $700 per Unit by the affiliates of MacKenzie
                  Patterson Fuller, LP identified in the Offer
                    (collectively the "Rancon V Purchasers")

The  Purchasers  are  offering to purchase for cashi p to 113.2 Units of Limited
Partnership Interest of Riverside  ("Riverside Units") at a price of $70,000 per
Unit, up to 3,291 Units of Limited Partnership Interest of Rancon IV ("Rancon IV
Units")  at a  price  of  $815  per  Unit,  and up to  4,195  Units  of  Limited
Partnership  Interest of Rancon V ("Rancon V Units") at a price of $700 per Unit
upon the terms and subject to the conditions set forth in Purchasers'  Offers to
Purchase  and in the  related  Letters  of  Transmittal  for each  offer  (which
together   constitute   the   "Offers"  and  the  "Tender   Offer   Documents").
Collectively, the Riverside, Rancon IV, and Rancon V Units may be referred to as
the  "Units"  and  Riverside,  Rancon IV, and Rancon V may be referred to as the
"Companies" and the Purchasers for each Offer referred to as the "Purchasers."

THE OFFERS AND WITHDRAWAL RIGHTS EXPIRE AT 11:59 P.M., PACIFIC TIME, ON DECEMBER
14, 2007, UNLESS AN OFFER IS EXTENDED.

Funding for the purchase of the Units will be provided  through the  Purchasers'
existing working capital. The Offers is not made for the purpose of acquiring or
influencing control of the business of the Companies.  The Offers will expire at
11:59 p.m.,  Pacific Time on December 14, 2007, unless and until Purchasers,  in
their sole discretion, shall have extended the period of time for which an Offer
is open (such date and time, as extended the "Expiration  Date"). The Purchasers
will not provide a subsequent offering periods following the Expiration Date. If
Purchasers  make a material  change in the terms of an Offer, or if they waive a
material condition to an Offer, Purchasers will extend the Offer and disseminate
additional  tender offer  materials to the extent required by Rules 14d-4(c) and
14d-6(d)  under the  Securities  Exchange Act of 1934, as amended (the "Exchange
Act").  The minimum  period during which an Offer must remain open following any
material  change  in the terms of an  Offer,  other  than a change in price or a
change in percentage of securities sought or a change in any dealer's soliciting
fee, will depend upon the facts and  circumstances  including the materiality of
the change with respect to a change in price or, subject to certain limitations,
a change in the  percentage  of  securities  ought or a change  in any  dealer's
soliciting  fee. A minimum of ten business  days from the date of such change is
generally  required  to  allow  for  adequate  dissemination  to  Unit  holders.
Accordingly,  if prior to the Expiration Date,  Purchasers  increase (other than
increases of not more than two percent of the outstanding Units) or decrease the
number of Units being sought, or increase or decrease the consideration  offered
pursuant to an Offer, and if an Offer is scheduled to expire at any time earlier
than the period  ending on the tenth  business  day from the date that notice of
such increase or decrease is first published,  sent or given to Unit holders, an
Offer will be extended at least until the  expiration of such ten business days.
For  purposes  of the  Offers,  a  "business  day"  means any day  other  than a
Saturday,  Sunday or federal  holiday and consists of the time period from 12:01
a.m.  through  midnight,  Pacific  Time.  In all  cases  payment  for the  Units
purchased  pursuant to the Offers will be made only after timely  receipt of the
Letters of Transmittal  (or  facsimiles  thereof),  properly  completed and duly
executed,  with any  required  signature  guarantees,  and any  other  documents
required by such Letters of  Transmittal.  Tenders of Units made pursuant to the
Offers are  irrevocable,  except  that Unit  holders  who tender  their Units in
response to the Offers will have the right to withdraw  their  tendered Units at
any time prior to the Expiration Date by sending to MacKenzie  Patterson Fuller,
LP a written or facsimile transmission notice of withdrawal identifying the name
of the person who tendered Units to be withdrawn, signed by the same persons and
in the same  manner  as the  Letter  of  Transmittal  tendering  the Units to be
withdrawn. In addition,  tendered Units may be withdrawn at any time on or after
January 1, 2008,  unless the tender has theretofore been accepted for payment as
provided  above.  If tendering Unit holders tender more than the number of Units
that  Purchasers  seek to  purchase  pursuant  to the  Offer  for  those  Units,
Purchasers  will take into  account the number of Units so tendered  and take up
and pay for as nearly as may be pro rata, disregarding  fractions,  according to
the number of Units  tendered by each  tendering  Unit holder  during the period



during which that Offer remains open. The terms of the Offers are more fully set
forth in the formal Tender Offer  Documents  which are available from Purchasers
at the  Purchasers'  expense.  The Offers  contain terms and  conditions and the
information  required  by Rule  14d-6(d)(1)  under  the  Exchange  Act which are
incorporated  herein by reference.  The Tender Offer Documents contain important
information  which  should be read  carefully  before any  decision is made with
respect to the Offers.

The Tender Offer  Documents may be obtained by written  request to Purchasers or
as set forth below.  A request has been made to the  Companies  pursuant to Rule
14d-5  under the  Exchange  Act for the use of its list of Unit  holders for the
purpose of  disseminating  the Offers to Unit  holders.  Upon  compliance by the
Companies with such request, the Tender Offer Documents and, if required,  other
relevant  materials will be mailed at the Purchasers'  expense to record holders
of Units, brokers, banks and similar persons whose names appear or whose nominee
appears  on the  list of  securities  holders,  or  persons  who are  listed  as
participants in a clearing agency's  security  position listing,  for subsequent
transmittal  to  beneficial  owners of Units.  For  Copies of the  Tender  Offer
Documents,  Call Purchasers at 1-800-854-8357,  Make a Written Request Addressed
to 1640 School Street,  Moraga,  California 94556, email to offers@mpfi.com,  or
visit our website at www.mpfi.com (click on MPF Tenders).
November 2, 2007