EXHIBIT 5.1



                           FORM OF OPINION OF COUNSEL
                          WITH RESPECT TO THE LEGALITY
                       OF THE SECURITIES BEING REGISTERED



                        OPPENHEIMER WOLFF & DONNELLY LLP
                            500 Newport Center Drive
                                    Suite 700
                         Newport Beach, California 92660
                                 (949) 719-6000
                              (949) 719-6020 (Fax)


                                                 _____________, 1999

Cornerstone Industrial Properties Income
and Growth Fund I, LLC
4590 MacArthur Blvd.
Suite 610
Newport Beach, CA  92660

         Re:     Cornerstone Industrial Properties Income and Growth Fund I, LLC
                 Legality of the Securities Being Registered

Gentlemen:

         In  connection  with the  registration  of Units of  limited  liability
company interests of Cornerstone Industrial Properties Income and Growth Fund I,
LLC, a California  limited  liability  company (the "Fund") under the Securities
Act of 1933, as amended,  you have requested our opinion as to whether the Units
of limited  liability  company  interests,  when  issued,  will be lawfully  and
validly issued, fully paid and non-assessable.

         For purposes  offering  this  opinion,  we have  examined  originals or
copies of the documents  listed below. In conducting such  examination,  we have
assumed the genuineness of all signatures and the  authenticity of all documents
submitted  to us as  originals  and  conformity  to  original  documents  of all
documents submitted to us as copies. The documents we have examined are:

         1. The Form S-11  Registration  Statement  which was initially filed by
the Fund with the  Securities and Exchange  Commission on March _____,  1999, as
amended, (the "Registration Statement");

         2. The Articles of Organization of the Fund dated as of October 28, 
1998;

         3. The Operating Agreement of the Fund dated as of October 28, 1998;

         4. The form of Certificate of Limited  Liability Company Units which is
to be issued to the Members of the Fund.

         In  addition,  in  rendering  this  opinion,  we have  relied upon your
representation  that the Units of limited  liability  company  interests will be
offered to the public in the manner and on the terms  identified  or referred to
in the Registration Statement.



Cornerstone Industrial Properties Income
         and Growth Fund I, LLC
_____________, 1999
Page 2

         Based upon and subject to the forgoing  and the effect,  if any, of the
matters discussed below,  after having given due regard to such issues of law as
we deemed relevant, and assuming that (i) the Registration Statement becomes and
remains effective,  and the prospectus which is part thereof, and the prospectus
delivery  requirements with respect thereto,  fulfill all of the requirements of
the Securities Act of 1933, as amended,  throughout all periods relevant to this
opinion,  (ii) all offers and sales of the Units of  limited  liability  company
interest  are made in a manner  complying  with  the  terms of the  Registration
Statement,  and (iii) all  offers  and sales of the Units of  limited  liability
company  interests  are in  compliance  with the  securities  laws of the states
having  jurisdiction  thereto,  we are of the opinion  that the Units of limited
liability company interests,  when issued,  will be lawfully and validly issued,
fully paid and non-assessable.

         This opinion is furnished to you in connection with the registration of
Units of limited  liability  company  interests in the Fund,  is solely for your
benefit,  and may not be relied on by, nor copies delivered to, any other person
or entity  without our prior  written  consent.  Notwithstanding  the  preceding
sentence  we hereby  consent to the filing of this  opinion as an exhibit to the
Registration Statement.

                                                     Very truly yours,

OC: 79730 V02 3/8/99