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                                                                    EXHIBIT 99.4


                                VOTING AGREEMENT

         VOTING AGREEMENT dated as of November 1, 2000, by and between American
Industrial Properties REIT (the "Company"), a Texas real estate investment
trust, Value Enhancement Fund IV, L.P., a Georgia limited partnership ("VEFIV")
and LaSalle Investment Management, (Securities), L.P., on behalf of certain of
its clients listed on Schedule I with respect to shares of the Company over
which it (or its assignees) exercises investment discretion ("Shareholder").

         WHEREAS, Shareholder is the beneficial owner of the shares of common
stock $0.10 par value (the "Common Stock") of the Company listed on Schedule I;

         WHEREAS, the Company and certain of its affiliates and VEFIV have
entered into an Agreement of Purchase and Sale (the "Purchase Agreement") dated
as of the date hereof, which provides for, among other things, the acquisition
by VEFIV and its assignees of a portfolio of assets from the Company; any terms
used but not defined herein which are defined in the Purchase Agreement shall
have the meanings set forth in the Purchase Agreement;

         WHEREAS, Shareholder hereby agrees to vote all of the shares of Common
Stock beneficially owned by Shareholder as of the date hereof and any shares of
Common Stock acquired by Shareholder after the date hereof (the "Shares") as
provided in this Agreement;

         NOW THEREFORE, for good and valuable consideration, the receipt of
which is hereby acknowledged, the parties hereby agree as follows:

         1. Agreement to Vote. At such time as the Company conducts a meeting
of, solicits written consents from or otherwise seeks a vote of its shareholders
for the purpose of approving the transactions contemplated by the Purchase
Agreement, Shareholder agrees to vote all of the Shares in favor of the
transactions contemplated by the Purchase Agreement, and all other actions
necessary or desirable for the consummation of the transactions contemplated by
the Purchase Agreement, except to the extent that Shareholder determines in its
good faith judgment, after consultation with its legal counsel, that it is
prudent to vote otherwise in the exercise of its fiduciary obligations. If the
Company or any other person conducts a meeting of, solicits written consents
from or otherwise seeks a vote of the Company's shareholders with respect to any
transaction or any other matter which may contradict any provision of this
Agreement or the Purchase Agreement or may make it more difficult or less
desirable for the Company to consummate the transactions contemplated by the
Purchase Agreement, then Shareholder further agrees to vote the Shares in the
manner most favorable to consummation of the transactions contemplated by the
Purchase Agreement, except to the extent that Shareholder determines in its good
faith judgment, after consultation with its legal counsel, that it is prudent to
vote otherwise in the exercise of its fiduciary obligations. Shareholder will
retain at all times the right to vote the Shares in Shareholder's sole
discretion, on all matters other than those set forth in this Section 1 which
are at any time or from time to time presented for a vote to the Company's
shareholders generally. Notwithstanding the foregoing, Shareholder is entitled
to vote the Shares


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other than as set forth in the first two sentences of this Section if the
Company determines to terminate the Purchase Agreement in accordance with clause
(ii) of Section 7.5 thereof.

         2. Representations, Warranties and Covenants of Shareholder.
Shareholder represents and warrants to, and agrees with, the Company and VEFIV
that:

                  (a) Shareholder has the requisite power and authority to
         execute and deliver this Agreement and to consummate the transactions
         contemplated hereby. This Agreement has been duly executed and
         delivered by Shareholder and constitutes a valid and legally binding
         obligation of Shareholder enforceable in accordance with its terms;

                  (b) Shareholder is not subject to or obligated under any
         provisions of (i) any contract, (ii) any license, franchise or permit
         or (iii) any law, regulation, order, judgment or decree that would be
         breached or violated by the execution, delivery and performance of this
         Agreement and the consummation of the transactions contemplated hereby;

                  (c) no authorization, consent or approval of, or any filing
         with, any public body or authority is necessary for the execution and
         delivery of this Agreement and consummation by Shareholder of the
         transactions contemplated by this Agreement; and

                  (d) on the date hereof it has the unrestricted power to vote
         the Shares.

         3. Amendment. This Agreement may not be modified, amended, altered or
supplemented except upon the execution and delivery of a written agreement
executed by all the parties hereto. No party to this Agreement may assign any of
its rights or obligations under this Agreement without the prior written consent
of all the other parties hereto.

         4. Counterparts. This Agreement may be executed in two or more
counterparts, each of which shall be deemed to be an original, but all of which
together shall constitute one and the same document.

         5. Governing Law. This Agreement shall be governed by and construed in
accordance with the laws of the State of Texas, without regard to the conflict
of laws principles thereof.

         6. Binding Effect. This Agreement shall be binding upon, inure to the
benefit of, and be enforceable by the heirs, personal representatives,
successors and permitted assigns of the parties hereto. Nothing expressed or
referred to in this Agreement is intended or shall be construed to give any
person other than the parties of this Agreement, or their respective heirs,
personal representatives, successors or permitted assigns, any legal or
equitable right, remedy or claim under or in respect to this Agreement or any
provision contained herein.

         7. Entire Agreement. This Agreement constitutes the entire agreement
between the parties hereto with respect to the subject matter hereof.


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         8. Termination. This Agreement shall terminate on the earlier to occur
of (i) the Closing Date (as defined in the Purchase Agreement) and (ii) the date
upon which the Purchase Agreement is terminated.

         9. Severability. If any term, provision, covenant or restriction of
this Agreement is held by a court of competent jurisdiction to be invalid, void
or unenforceable, the remainder of the terms, provisions, covenants and
restrictions of this Agreement shall remain in full force and effect and shall
in no way be affected, impaired or invalidated.

         10. Further Assurances. Shareholder will, upon the request of the
Company, execute and deliver such documents and take such action deemed by the
Company to be necessary or desirable to effectuate the purposes of this
Agreement.

         11. Remedies. Shareholder agrees that, for any violation of this
Agreement, the Company and VEFIV each shall have the option, in addition to any
remedies available at law, of seeking equitable relief in any court of competent
jurisdiction to require that Shareholder comply with the terms of this
Agreement.





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         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be
duly executed as of the day and year first above written.


                                        AMERICAN INDUSTRIAL
                                        PROPERTIES REIT


                                        By: /s/ Charles W. Wolcott
                                            -------------------------
                                            Name:  Charles W. Wolcott
                                            Title: President & CEO


                                        VALUE ENHANCEMENT FUND IV, L.P.

                                        BY: VEF IV GP, INC., ITS GENERAL
                                                PARTNER



                                            By: /s/ B. Stanton Breon
                                                --------------------------
                                                Name:  B. Stanton Breon
                                                Title: Vice President


                                        LASALLE INVESTMENT MANAGEMENT
                                        (SECURITIES), L.P.


                                        By:/s/ Stanley J. Kraska, Jr.
                                           --------------------------
                                           Name:  Stanley J. Kraska, Jr.
                                           Title: Managing Director



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                                   SCHEDULE I


                   Ownership of Shares of Beneficial Interest

            Owned Beneficially (including Options to Purchase Shares)




NAME                                                     TRUST COMMON SHARES
- ----                                                     -------------------
                                                             
LaSalle Investment Management (Securities), L.P.                962,724





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