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

                                    FORM 8-K

                Current Report Pursuant to Section 13 or 15(d) of
                       The Securities Exchange Act of 1934

       Date of report (date of earliest event reported): October 13, 2004

                          MISSION WEST PROPERTIES, INC.
             (Exact name of registrant as specified in its charter)

             Maryland             Commission File Number:          95-2635431
             --------                    1-8383                    ----------
(State or other jurisdiction of                                 (I.R.S. Employer
        incorporation)                                           Identification)



                    10050 Bandley Drive, Cupertino, CA 95014
                    (Address of principal executive offices)

                                 (408) 725-0700
              (Registrant's telephone number, including area code)




ITEM 12.    RESULTS OF OPERATIONS AND FINANCIAL CONDITIONS.

(a)  The following information is being furnished by the Company as required for
     Item  12(a) of this  report  and  shall not be  deemed  to be  "filed"  for
     purposes of Section 18 of the Securities Exchange Act of 1934:

On October 13, 2004, the Company issued a press release  announcing its earnings
results for the quarter ended  September 30, 2004. The press release is attached
to this  Current  Report as Exhibit  99.1 and is  incorporated  by  reference in
response to Item 12(a) of this report.

                                     - 1 -




EXHIBIT 99.1

                                                                   Press Release

For Immediate News Release
October 13, 2004


   MISSION WEST PROPERTIES, INC. ANNOUNCES THIRD QUARTER 2004 EARNINGS RESULTS

  "We build the buildings for the high tech companies that build the internet"


CUPERTINO,  CA - MISSION WEST PROPERTIES,  INC.  (AMEX/PCX:  MSW) reported today
that Funds From Operations  ("FFO") for the quarter ended September 30, 2004 was
$24,519,000 or $0.23 per diluted common share  (considering the potential effect
of all O.P. units being  exchanged for shares of the Company's  common stock) as
compared to $29,110,000 or $0.28 per diluted common share for the same period in
2003. On a sequential  quarter  basis,  FFO per diluted  common share  decreased
$0.04 over the previous quarter ended June 30, 2004. Lease  termination fees and
a settlement  of a tenant breach of lease  lawsuit  accounted for  approximately
$0.04 per diluted share in the second quarter 2004.

Net income to common  stockholders  per diluted  share was $0.18 for the quarter
ended  September  30, 2004  compared to $0.22 for the same period in 2003, a per
share decrease of  approximately  18.2%. For the nine months ended September 30,
2004, net income to common  stockholders per diluted share was $0.58,  down from
$0.68 per diluted share from one year ago,  which  included  $0.01 gain from the
sale  of  joint   venture  real  estate   included  in  equity  in  earnings  of
unconsolidated  joint venture, a per share decrease of approximately  14.7%. Net
income per diluted share for first nine months of 2004 included  $0.04 per share
from lease termination fees and a tenant breach of lease lawsuit settlement.

COMPANY PROFILE

Mission West Properties, Inc. operates as a self-managed,  self-administered and
fully integrated REIT engaged in the management, leasing, marketing, development
and acquisition of commercial R&D properties,  primarily  located in the Silicon
Valley portion of the San Francisco Bay Area. Currently, the Company manages 109
properties  totaling  approximately  7.9 million  square  feet.  For  additional
information, please contact Investor Relations at 408-725-0700.

The matters described herein contain forward-looking statements. Such statements
can be  identified  by the use of  forward-looking  terminology  such as "will",
"anticipate", "estimate", "expect", "intends", or similar words. Forward-looking
statements involve a number of risks,  uncertainties or other factors beyond the
Company's  control,  which may cause  material  differences  in actual  results,
performance or other  expectations.  These factors include,  but are not limited
to, the ability to complete  acquisitions  under the Berg Land  Holdings  Option
Agreement  with the Berg  Group  and other  factors  detailed  in the  Company's
registration  statements,  and periodic  filings with the  Securities & Exchange
Commission.

                                     - 2 -



                          MISSION WEST PROPERTIES, INC.
                             SELECTED FINANCIAL DATA
        (In thousands, except share, per share and property data amounts)




                                                                       Three Months                        Nine Months
                                                   Three Months           Ended          Nine Months          Ended
                                                      Ended           Sept 30, 2003         Ended         Sept 30, 2003
                                                  Sept 30, 2004       (As Restated)     Sept 30, 2004     (As Restated)
                                                 -----------------    ---------------   ---------------   ---------------
REVENUES:
                                                                                               
Rental revenue from real estate                     $29,580              $33,310           $91,057          $97,464
Tenant reimbursements                                 3,766                4,796            11,722           14,360
Other income, including interest                        397                  567             5,404(5)         1,871
                                                 -----------------    ---------------   ---------------   ---------------
  Total revenues                                     33,743               38,673           108,183          113,695
                                                 -----------------    ---------------   ---------------   ---------------
EXPENSES:
Operating expenses                                    2,295                2,683             6,964            6,349
Real estate taxes                                     2,585                2,876             8,613            9,391
Interest                                              4,468                4,335            13,051           12,097
Interest (related parties)                              256                  280               760              830
General and administrative                              395                  360             1,628            1,039
Depreciation & amortization of real estate            5,428(1)             5,497            16,644(1)        15,273
                                                 -----------------    ---------------   ---------------   ---------------
  Total expenses                                     15,427               16,031            47,660           44,979
                                                 -----------------    ---------------   ---------------   ---------------
Income before equity in earnings of unconsolidated
  joint venture & minority interests                 18,316               22,642            60,523           68,716
Equity in earnings of unconsolidated joint venture      345                  599             1,564            3,358
                                                 -----------------    ---------------   ---------------   ---------------
Income before minority interests                     18,661               23,241            62,087           72,074
Minority interests                                   15,488               19,348            51,596           60,081
                                                 -----------------    ---------------   ---------------   ---------------
  Income from operations                              3,173                3,893            10,491           11,993
                                                 -----------------    ---------------   ---------------   ---------------

Net income to common stockholders                    $3,173               $3,893           $10,491          $11,993
                                                 =================    ===============   ===============   ===============
Net income to minority interests                    $15,488              $19,348           $51,596          $60,081
                                                 =================    ===============   ===============   ===============
Net income per share to common stockholders:
   Basic                                              $0.18                $0.22             $0.58            $0.68
                                                 =================    ===============   ===============   ===============
   Diluted                                            $0.18                $0.22             $0.58            $0.68
                                                 =================    ===============   ===============   ===============
Weighted average shares of common stock             18,071,484          17,747,293        18,019,277        17,695,920
(basic)                                          =================    ===============   ===============   ===============
Weighted average shares of common stock             18,098,174          17,817,917        18,077,854        17,757,461
(diluted)                                        =================    ===============   ===============   ===============
Weighted average O.P. units outstanding             86,410,402          86,498,064        86,459,617        86,502,555
                                                 =================    ===============   ===============   ===============

FUNDS FROM OPERATIONS
Funds from operations                               $24,519              $29,110           $80,338          $87,054
                                                 =================    ===============   ===============   ===============
Funds from operations per share (2)                  $ 0.23               $ 0.28            $ 0.77           $ 0.83
                                                 =================    ===============   ===============   ===============
Outstanding common stock                            18,077,191          17,754,691        18,077,191        17,754,691
                                                 =================    ===============   ===============   ===============
Outstanding O.P. units                              86,404,695          86,498,064        86,404,695        86,498,064
                                                 =================    ===============   ===============   ===============
Weighted average O.P. units & common stock
   outstanding (diluted)                           104,508,576         104,315,981       104,537,470       104,260,016
                                                 =================    ===============   ===============   ===============


                                     - 3 -



                                                                       Three Months                        Nine Months
                                                   Three Months           Ended          Nine Months          Ended
FUNDS FROM OPERATIONS CALCULATION                     Ended           Sept 30, 2003         Ended         Sept 30, 2003
                                                  Sept 30, 2004       (As Restated)     Sept 30, 2004     (As Restated)
                                                 -----------------    ---------------   ---------------   ---------------
                                                                                               
Net income                                           $3,173              $3,893           $10,491           $11,993
Add:
     Minority interests (3)                          15,377              19,225            51,228            59,627
     Depreciation and amortization of real estate     5,969               5,992            18,619            16,834
Less:
     Gain on sale of unconsolidated JV real estate        -                   -                 -             1,400
                                                 -----------------    ---------------   ---------------   ---------------
Funds from operations                               $24,519             $29,110           $80,338           $87,054
                                                 =================    ===============   ===============   ===============


Funds From Operations ("FFO") is a non-GAAP  financial  measurement used by real
estate  investment  trusts to measure  and  compare  operating  performance.  As
defined by NAREIT,  FFO represents net income (loss) before minority interest of
unit holders (computed in accordance with GAAP,  accounting principles generally
accepted in the United States of America), excluding gains (or losses) from debt
restructuring and sales of property,  plus real estate related  depreciation and
amortization   (excluding   amortization   of  deferred   financing   costs  and
depreciation of non-real estate assets) and after adjustments for unconsolidated
partnerships and joint ventures. Management considers FFO an appropriate measure
of performance  of an equity REIT because,  along with cash flows from operating
activities, financing activities and investing activities, it provides investors
with an understanding of our ability to incur and service debt, and make capital
expenditures. FFO should not be considered as an alternative for net income as a
measure of profitability or is it comparable to cash flows provided by operating
activities  determined  in  accordance  with  GAAP.  FFO  is not  comparable  to
similarly entitled items reported by other REITs that do not define them exactly
as we define FFO.



                                                   Three Months       Three Months      Nine Months        Nine Months
                                                       Ended             Ended             Ended              Ended
PROPERTY AND OTHER DATA:                           Sept 30, 2004     Sept 30, 2003     Sept 30, 2004       Sept 30, 2003
                                                  ---------------   ---------------   -----------------   ---------------
                                                                                                
Total properties, end of period                            109               108                 109               108
Total square feet, end of period                     7,917,262         7,788,742           7,917,262         7,788,742
Average monthly rental revenue per square foot(4)        $1.81             $1.81               $1.79             $1.76
Average occupancy                                        69.2%             78.4%               72.2%             81.3%
Actual occupancy                                         69.0%             78.3%               69.0%             78.3%
Straight-line rent                                        $289              $596               $ 141            $1,046
Capital expenditures                                      $217              $492              $1,762            $1,901



                                     - 4 -





BALANCE SHEET                                 September 30, 2004     December 31, 2003
                                              --------------------  --------------------
Assets:
                                                                 
Land                                              $  275,707            $  275,707
Buildings and improvements                           779,558               779,636
Real estate related intangible assets                 18,284                19,651
                                              --------------------  --------------------
   Total investments in properties                 1,073,549             1,074,994
Less accumulated depreciation and amortization      (105,936)              (89,243)
                                              --------------------  --------------------
   Net investments in properties                     967,613               985,751
Cash and cash equivalents                              1,597                 4,129
Restricted cash                                        1,551                     -
Deferred rent receivable                              19,111                18,970
Investments in unconsolidated joint venture            2,431                 2,285
Other assets                                          20,240                21,497
                                              --------------------  --------------------
   Total assets                                   $1,012,543            $1,032,632
                                              ====================  ====================

Liabilities:
Line of credit - related parties                  $    1,105            $    6,320
Revolving line of credit                              26,492                23,965
Mortgage notes payable                               295,284               299,858
Mortgage notes payable - related parties              10,508                10,762
Interest payable                                         330                   332
Security deposits                                      8,771                10,248
Deferred rental income                                11,622                12,723
Dividend/distribution payable                         25,076                25,031
Accounts payable and accrued expenses                  8,482                 5,085
                                              --------------------  --------------------
   Total liabilities                                 387,670               394,324

Minority interests                                   511,777               524,918

Stockholders' equity:
Common stock, $.001 par value                             18                    18
Paid in capital                                      134,348               132,136
Accumulated deficit                                 (21,270)              (18,764)
                                              --------------------  --------------------
   Total stockholders' equity                        113,096               113,390
                                              --------------------  --------------------
   Total liabilities and stockholders' equity     $1,012,543            $1,032,632
                                              ====================  ====================



(1)  Includes  approximately  $440 and $1,732 in  amortization  expense  for the
     three and nine months  ended  September  30,  2004,  respectively,  for the
     amortization  of  in-place  lease  value of the San Tomas  Technology  Park
     acquisition pursuant to Statement of Financial Accounting Standard ("SFAS")
     No. 141, "Business Combinations."

(2)  Calculated  on a fully diluted  basis.  Assumes  conversion  of O.P.  units
     outstanding into the Company's common stock.

(3)  The  minority  interest  for third  parties  has been  deducted  from total
     minority interest in calculating FFO.

(4)  Average  monthly  rental  revenue  per square foot has been  determined  by
     taking the cash base rent for the period divided by the number of months in
     the period,  and then  divided by the average  occupied  square feet in the
     period.

(5)  Includes  approximately  $3.7  million from  termination  fees and a tenant
     breach of lease lawsuit settlement.

                                     - 5 -