EXHIBIT 10.40

                                       TO

                       REGISTRATION STATEMENT ON FORM SB-2



                         ------------------------------



              $900,000 NOTE IN FAVOR OF BDM CONSTRUCTION CO., INC.



STRAIGHT NOTE

$900,000.00 Santa Rosa, California August 29, 1996

ALL DUE ON OR BEFORE JANUARY 31, 1997 after date, for value received,  MENDOCINO
BREWING  COMPANY,  INC.  promises to pay in lawful money of the United States of
America, to

BDM CONSTRUCTION CO. INC.

or order,  at place  designated  by payee,  the  principal  sum of NINE  HUNDRED
THOUSAND AND NO/100THS  DOLLARS with interest in like lawful money from DECEMBER
31, 1996, until paid at the rate of 12.0 PER CENT PER ANNUM payable AT MATURITY.

Prepayment Penalty: NONE

IT IS  AGREED  AND  UNDERSTOOD  BY THE  UNDERSIGNED  THAT  THIS NOTE IS GIVEN IN
CONSIDERATION  FOR THE DEFERMENT OF THE OBLIGATION HEREIN STATED AND PURSUANT TO
THE  CONTRACT  BY AND  BETWEEN  MENDOCINO  BREWING  CO.,  INC.  ("MBC")  AND BDM
CONSTRUCTION  CO. INC.  ("BDM")  WHEREIN ALL OBLIGATIONS DUE UNDER SAID CONTRACT
WILL UPON  SATISFACTION  OF THE CONDITIONS  THEREIN STATED BECOME DUE IN FULL ON
DECEMBER 31, 1996.

IT IS FURTHER AGREED THAT THE UNDERSIGNED WILL GIVE AND ACCEPT AS COLLATERAL THE
SUM OF 300,000 SHARES OF COMMON STOCK IN MBC FOR THIS NOTE. THE  CERTIFICATE FOR
THE SHARES SHALL BEAR THE FOLLOWING LEGENDS:

     THE SECURITIES  REPRESENTED BY THIS  CERTIFICATE  HAVE NOT BEEN  REGISTERED
     UNDER THE  SECURITIES  ACT OF 1933.  THESE  SECURITIES  MAY NOT BE OFFERED,
     SOLD, TRANSFERRED,  PLEDGED, OR HYPOTHECATED IN THE ABSENCE OF AN EFFECTIVE
     REGISTRATION STATEMENT FOR THE SECURITIES UNDER THE SECURITIES ACT OF 1933,
     COMPLIANCE WITH RULE 144 OR ITS SUCCESSOR RULE UNDER THE ACT, OR AN OPINION
     OF COUNSEL  SATISFACTORY  TO THE COMPANY THAT  REGISTRATION IS NOT REQUIRED
     UNDER SAID ACT.

     THE  COMMON  STOCK  REPRESENTED  BY THIS  CERTIFICATE  HAS BEEN  ISSUED  AS
     COLLATERAL FOR THE PAYMENT OF A $900,000.00  OBLIGATION TO BDM CONSTRUCTION
     CO.  INC.  PURSUANT  TO A  PROMISSORY  NOTE  DATED  AUGUST  29,  1996.  BDM
     CONSTRUCTION  CO. INC. IS HOLDING THIS  CERTIFICATE FOR ITSELF AS A SECURED
     PARTY.  UPON  ANY  DEFAULT  BY THE  COMPANY  IN THE  PAYMENT  OF THE  ABOVE
     OBLIGATION,  BDM  CONSTRUCTION  CO. INC.  SHALL HAVE ALL THE  REMEDIES OF A
     SECURED CREDITOR AS ARE AVAILABLE UNDER THE CALIFORNIA  UNIFORM  COMMERCIAL
     CODE,  INCLUDING  THE  RIGHT TO RETAIN  OWNERSHIP  OF THE  COMMON  STOCK IN
     SATISFACTION OF THE FOREGOING OBLIGATIONS 


EXHIBIT 10.40



     UNDER THE CIRCUMSTANCES  SPECIFIED  THEREIN.  THE HOLDER OF THE CERTIFICATE
     SHALL NOT CAUSE  MORE  SHARES TO BE SOLD THAN IS  NECESSARY  TO PAY ALL THE
     OBLIGATIONS SECURED BY THIS NOTE. UPON SUCH RETENTION,  OR UPON ANY SALE OF
     ALL OR ANY PORTION OF THE COMMON STOCK IN  SATISFACTION  OF THE OBLIGATION,
     SUCH COMMON STOCK SHALL BE DULY  AUTHORIZED,  VALIDLY  ISSUED,  FULLY PAID,
     NONASSESSABLE,  AND  OUTSTANDING,  AND THIS  LEGEND  SHALL BE OF NO FURTHER
     FORCE AND EFFECT  AND SHALL,  AT THE  REQUEST  OF THE  HOLDER  THEREOF,  BE
     REMOVED FROM ANY CERTIFICATE  REPRESENTING  THE COMMON STOCK SO RETAINED OR
     SOLD.  TO THE  EXTENT  THAT THE  COMMON  STOCK IS NOT  RETAINED  OR SOLD AS
     PERMITTED BY THE CALIFORNIA  UNIFORM  COMMERCIAL  CODE, THE SHARES SHALL BE
     CANCELLED ON THE BOOKS OF THE COMPANY AND SHALL NOT BE OUTSTANDING  AND THE
     HOLDER SHALL SURRENDER THE CERTIFICATE TO THE COMPANY FOR  CANCELLATION AND
     SHALL INDEMNIFY THE COMPANY FOR FAILURE TO DO SO.

Principal and interest  payable in lawful money of the United States of America.
Should  default  be made in  payment  of  interest  when  due the  whole  sum of
principal and interest shall become  immediately due at the option of the holder
of this Note. If action be instituted on this Note, MBC promises to pay such sum
as the Court may fix as attorney's fees.

As additional collateral,  this Note is secured by a Deed of Trust of even date.
The Deed of Trust  securing the within Note contains the  following  provisions:
"In the event the herein described property or any part thereof, or any interest
therein is sold, agreed to be sold,  conveyed or alienated by the Trustor, or by
the operation of law or otherwise,  all obligations  secured by this instrument,
irrespective  of the  maturity  dates  expressed  therein,  at the option of the
holder  hereof and without  demand or notice  shall  immediately  become due and
payable."  The  security  interest  of this  Deed of Trust  shall be  second  in
priority to a security interest in favor of the Savings Bank of Mendocino County
in the principal amount of $2,700,000.0.

MENDOCINO BREWING CO., INC. ("MBC")

BY:  /s/  Norman Franks, V.P.                           /s/  Michael Laybourn
          NORMAN FRANKS                                      MICHAEL LAYBOURN

THE  UNDERSIGNED  AS PAYEE DOES HEREBY AGREE TO THE TERMS AND CONDITIONS OF THIS
NOTE.

BDM CONSTRUCTION CO. INC. ("BDM")

BY:  /s/  Glenn R. McClish                                    /s/  Sid Behler
          GLENN R. McCLISH                                         SID BEHLER

ADDENDUM


EXHIBIT 10.40
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Addendum  dated  September  23, 1996 to the Straight  Note dated August 29, 1996
between Mendocino Brewing Company,  Inc. as debtor and BDM Construction Co. Inc.
as payee.

WITNESSETH:

1 ) This  addendum  is to be attached  to and made a part of the  Straight  Note
agreement between Mendocino Brewing Company,  Inc. and BDM Construction Co. Inc.
dated August 29, 1996.

2) This addendum may be signed in counterpart.

3) Addendum:  In the event of default by Mendocino  Brewing  Company,  Inc., BDM
Construction  Co. Inc. will first  exercise its remedial  rights with respect to
the Mendocino  Brewing  Company,  Inc. Common Stock as collateral and only after
having  exhausted  this right can it pursue its rights with  respect to the Real
Property.

The undersign  hereby agrees to the addendum to the terms and  conditions of the
Straight Note.

BDM Construction Co. Inc.

BY:  /s/  Glenn R. McClish           President
          Glenn R. McClish             Title

Mendocino Brewing Company, Inc.

BY:  /s/  Michael Laybourn              CEO
          Michael Laybourn             Title






EXHIBIT 10.40
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