MANUFACTURERS BANK
A SUBSIDIARY OF THE SAKURA BANK, LIMITED


                                  EXHIBIT 10.6

                           NOTE MODIFICATION AGREEMENT

THIS NOTE MODIFICATION AGREEMENT is entered into as of February 7, 1997 , by and
between  MANUFACTURERS  BANK, a California  banking  corporation  ("Bank"),  and
PUBLIC STORAGE  PROPERTIES XVII, INC.  (hereinafter  referred to as "Borrower"),
and is made with reference to the following facts and circumstances:

1.   Borrower  has made and  executed in favor of Bank a  Promissory  Note dated
     February 24, 1995, in the original principal amount of Five Million Dollars
     ($5,000,000.00) (the "Note").

2.   The principal sum of Five Million  Seven  Hundred  Fifty  Thousand  Dollars
     ($5,750,000.00),  together  with any accrued and unpaid  interest  thereon,
     remains outstanding and unpaid with respect to the Note.

3.    Borrower and Bank wish to modify the Note as set forth below.

NOW, THEREFORE, the parties agree as follows:

               3.1 Section 2 of the Note is  modified  by  deleting  the date of
January 1, 1997, and replacing it with a new date of February 1, 1997.

4. Except as modified herein,  the Note shall remain in full force and effect in
   accordance with its original terms and conditions.

IN WITNESS WHEREOF,  the parties have executed this Note Modification  Agreement
as of the day and year first above written.


Date:   February 7, 1997

                                         PUBLIC STORAGE PROPERTIES XVII, INC.,
                                         a California corporation


                                         By:  /s/David P. Singelyn
                                            ---------------------------------

                                         Title:   Vice President/Controller
                                               -----------------------------


                                          MANUFACTURERS BANK,
                                          a California banking corporation


                                          By :  /s/ James L. Bradley
                                              ----------------------

                                          Title:   Vice President
                                                -------------------