EXHIBIT 23.1


                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby  consent  to the  incorporation  by  reference  in the  Post-Effective
Amendment No. 1 to Form S-4 on Form S-3 (File No.  333-52835) and Form S-3 (File
No.  333-41203)  and Form S-8 (File No.  333-80369) of our reports dated January
21, 2000, on our audits of the consolidated  financial  statements and financial
statement schedule of Mission West Properties,  Inc. as of December 31, 1999 and
1998, and for the years ended December 31, 1999 and 1998,  November 30, 1997 and
the one  month  period  ended  December  31,  1997,  which are  incorporated  by
reference in such registration  statements.  We also consent to the reference to
us under the heading "Experts" in such registration statements.

PRICEWATERHOUSECOOPERS LLP



San Francisco, California
March 29, 2000