UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 14A

           PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES
                              EXCHANGE ACT OF 1934

                               (Amendment No. 13)


Filed by the Registrant [ ]

Filed by a Party other than the Registrant [X]

Check the appropriate box:


[ ] Preliminary Proxy Statement

[ ] Confidential, for Use of the Commission Only (as permitted by Rule
    14a-6(e)(2))
[ ] Definitive Proxy Statement
[X] Definitive Additional Materials
[ ] Soliciting Material Pursuant to Section 240.14a-11(c) or Section 240.14a-12

                    AMERICAN RETIREMENT VILLAS PROPERTIES II,
                        A CALIFORNIA LIMITED PARTNERSHIP

- --------------------------------------------------------------------------------
                (Name of Registrant as Specified in its Charter)
                        Atria Senior Living Group, Inc.
                            ARV ASSISTED LIVING, INC.

                            ARVP II ACQUISITION, L.P.
- --------------------------------------------------------------------------------
    (Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

[ ] No fee required.

[X] Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

(1)      Title of each class of securities to which transaction applies:
         Limited Partnership Units



(2)      Aggregate number of securities to which transaction applies:
         16,697.566
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(3)      Per unit price or other underlying value of transaction computed
         pursuant to Exchange Act Rule 0-11 (set forth the amount on which the
         filing fee is calculated and state how it was determined):
           $400
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(4)      Proposed maximum aggregate value of transaction:
           $6,679,026.40*
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(5)      Total fee paid:
           $846.23**
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[X] Fee paid previously with preliminary materials.

 *   Estimated for purposes of calculating the amount of filing fee only.
     Transaction value was derived by multiplying 16,697.566 (the number of
     units of limited partnership interest of registrant outstanding as of
     March 24, 2004 that are not held by ARV or its subsidiaries) by $400
     (the offer price).

**   The amount of the filing fee, calculated in accordance with Rule 0-11 of
     the Securities Exchange Act of 1934, as amended, and Fee Advisory #7 for
     Fiscal Year 2004 issued by the Securities and Exchange Commission on
     January 26, 2004, equals 0.012670% of the transaction valuation.

[X]  Check box if any part of the fee is offset as provided by Exchange Act Rule
     0-11(a)(2) and identify the filing for which the offsetting fee was paid
     previously. Identify the previous filing by registration statement number,
     or the Form or Schedule and the date of its filing.

    (1) Amount previously paid: $782.77

    (2) Form, Schedule or Registration Statement No.: Schedule 14A

    (3) Filing Party: ARV Assisted Living, Inc., Atria Senior Living Group,
        Inc., and ARVP II Acquisition, L.P.

    (4) Date Filed: January 21, 2004

                                                                       (a)(1)(Y)

FOR IMMEDIATE RELEASE
Contact: Shari Eastwood
Telephone Number: (866) 275-3707

                  ARVP II ACQUISITION, L.P. EXTENDS OFFER FOR
       AMERICAN RETIREMENT VILLAS PROPERTIES II UNTIL SEPTEMBER 15, 2004

COSTA MESA, C.A. - (BUSINESS WIRE) - September 13, 2004 - ARVP II Acquisition,
L.P. (the "Purchaser") announced today that it is has extended the expiration
date of its tender offer to purchase all of the limited partnership units (other
than units owned by ARV Assisted Living, Inc. or its affiliates) of American
Retirement Villas Properties II, a California limited partnership, (the
"Partnership") for $400 per unit in cash, less the amount of any cash
distributions made or declared with respect to the units on or after March 24,
2004, in accordance with the terms of the Purchaser's Offer to Purchase and
Consent Solicitation Statement, dated March 24, 2004 (the "Offer to Purchase").
The offer has been extended to 11:59 p.m. Eastern time, on September 15, 2004,
unless further extended (the "Expiration Date"). If the offer is further
extended, the Purchaser will issue a press release no later than 9:00 a.m.,
Eastern time, on the next business day after the day on which the offer was
previously scheduled to expire. Unitholders who have already validly tendered
their units will receive $400 per unit in accordance with the Offer to Purchase,
unless they withdraw their units in accordance with the Offer to Purchase.

The Purchaser is offering to purchase all the units (other than units held by
ARV Assisted Living, Inc. or its affiliates) at a price of $400 per unit in
cash, less the amount of any cash distributions made or declared with respect to
the units on or after March 24, 2004, in accordance with the terms of the Offer
to Purchase. ARV Assisted Living, Inc., the general partner of the Partnership,
directly or indirectly wholly-owns the Purchaser, and is a wholly-owned
subsidiary of Atria Senior Living Group, Inc. ARV Assisted Living, Inc. also
owns approximately 52.5% of the limited partnership units of the Partnership. As
of the close of business on September 10, 2004, approximately 9,712.234 units,
or approximately 58.17% of all outstanding units (other than units held by ARV
Assisted Living, Inc. or its affiliates) had been validly tendered in the offer
and not withdrawn.

The Purchaser has not yet received a decision from the California Corporations
Commissioner regarding the proposed merger that was the subject of the consent
solicitation made pursuant to the Offer to Purchase and the fairness hearing
held August 25, 2004.

As announced by the Purchaser on August 13, 2004, as of the close of business on
Thursday, August 12, 2004, a total of 8387.8 units, or approximately 50.23% of
all outstanding units (other than units owned by ARV or its affiliates) had been
voted in favor of the proposed merger. As a result of the Purchaser's receipt of
sufficient consents approving the proposed merger, all votes previously
delivered in the consent solicitation have become effective and may not be
changed. Accordingly, unitholders are not required to take any further action
with respect to the consent solicitation.

Unitholders who wish to receive the $400 per unit offer price must complete the
Agreement of Assignment and Transfer previously sent to unitholders in
accordance with the Offer to Purchase and deliver it to the Purchaser's
information agent to the attention of American Retirement Villas Properties II,
c/o ACS Securities Services, Inc., 3988 N. Central Expressway, Building 5, 6th
Floor, Dallas, Texas 75204 (Tel. (866) 275-3707), on or before 11:59 p.m.,
Eastern time, on September 15, 2004, unless the offer is further extended.

Unitholders who have any questions about the Purchaser's offer, need help or
would like additional copies of the Offer to Purchase, the Agreement of
Assignment and Transfer or any other documents disseminated to unitholders
should contact ACS Securities Services, Inc. at the number above.

THE PURCHASER STRONGLY ADVISES ALL PARTNERSHIP UNITHOLDERS TO READ THE OFFER TO
PURCHASE, THE AGREEMENT OF ASSIGNMENT AND TRANSFER AND THE CONSENT FORM THAT THE
PURCHASER MAILED TO ALL UNITHOLDERS, AS WELL AS ITS SCHEDULE TO AND SCHEDULE
14A, WITH EXHIBITS AND THEIR AMENDMENTS, THAT HAVE BEEN FILED WITH THE SEC. THE
PURCHASER ALSO ADVISES ALL PARTNERSHIP UNITHOLDERS TO REVIEW THE PARTNERSHIP'S
PERIODIC REPORTS AND OTHER DOCUMENTS THAT HAVE BEEN FILED WITH THE SEC,
INCLUDING THE PARTNERSHIP'S FORM 10-Q FOR THE FISCAL QUARTER ENDED JUNE 30,
2004.

THIS PRESS RELEASE IS FOR INFORMATIONAL PURPOSES ONLY AND IS NOT AN OFFER TO
PURCHASE ANY UNITS, THE SOLICITATION OF AN OFFER TO SELL ANY UNITS, THE
SOLICITATION OF THE CONSENT OF ANY LIMITED PARTNER OR A RECOMMENDATION TO ANY
UNITHOLDER TO TAKE ANY ACTION WITH RESPECT TO ANY OFFER. THE SOLICITATION AND
OFFER TO BUY UNITS OF THE PARTNERSHIP AND THE SOLICITATION OF UNITHOLDER
CONSENTS ARE BEING MADE PURSUANT TO THE OFFER TO PURCHASE, THE AGREEMENT OF
ASSIGNMENT AND TRANSFER, THE CONSENT FORM AND RELATED MATERIALS THAT THE
PURCHASER HAS SENT TO UNITHOLDERS AND FILED WITH THE SEC. THE PURCHASER STRONGLY
ADVISES ALL UNITHOLDERS TO READ SUCH MATERIALS CAREFULLY BECAUSE THEY CONTAIN
IMPORTANT INFORMATION, INCLUDING RISK FACTORS AND THE TERMS AND CONDITIONS OF
THE OFFER AND THE CONSENT SOLICITATION. UNITHOLDERS MAY OBTAIN COPIES OF THESE
MATERIALS FOR FREE FROM THE SEC'S WEBSITE AT WWW.SEC.GOV OR FROM THE INFORMATION
AGENT, ACS SECURITIES SERVICES, INC., AT (866) 275-3707 (TOLL-FREE). INFORMATION
RELATING TO THE PARTICIPANTS IN THE OFFER AND CONSENT SOLICITATION IS CONTAINED
IN THE OFFER TO PURCHASE.

Certain statements in this press release may constitute forward-looking
statements. Forward-looking statements are not guarantees of future performance
or actions and involve risks and uncertainties and other factors that may cause
actual results or actions to differ materially from those anticipated at the
time the forward-looking statements are made. Subject to Rules 13e-3(d)(2),
13e-3(f)(i)(iii) and 13d-3(b) of the Exchange Act, neither the Purchaser nor any
of its affiliates undertakes any obligation to publicly update or revise any
forward-looking statement, whether as a result of new information, future events
or otherwise.