U.S. 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): ~~July~~September 242, 2003

BUSINESS BANCORP

BUSINESS BANCORP
(Exact name of registrant as specified in its charter)

000-31593
(Commission File Number)

California		33-0884369
(State or Other Jurisdiction of Incorporation or Organization)		(I.R.S. Employer Identification No.)

1248 Fifth Avenue San Rafael, California 94901 (415) 784-2300
(Address and telephone number of principal executive offices)

~~(Exact name~~Item of5. ~~registrant~~Other ~~as specified in its charter)~~Events

~~000-31593~~On September 2, 2003, Business Bancorp issued a press release announcing its third quarter 2003 cash dividend. The press release, which appears as Exhibit 99.1, is filed and incorporated herein by reference.

(Commission File Number)

California		33-0884369
(State or Other Jurisdiction of Incorporation or Organization)		(I.R.S. Employer Identification No.)
1248 Fifth Avenue San Rafael, California 94901 (415) 784-2300
(Address and telephone number of principal executive offices)

Item 7. Exhibits

(c) Exhibits

99.1 ~~Business~~Press ~~Bancorp~~Release ~~financial~~dated ~~results~~September ~~for the quarter ended June 30~~2, 2003. re: cash dividend

~~Item 9. Regulation FD Disclosure~~SIGNATURES

Pursuant to ~~Item~~the ~~12,~~requirements ~~Disclosure~~ of ~~Results~~Section 13 or 15(d) of the Securities ~~Operations~~Exchange ~~and~~Act ~~Financial~~of ~~Condition~~1934, ~~Business~~the ~~Bancorp~~registrant ~~(“the~~has ~~Company”)~~duly ~~is furnishing~~caused asthis ~~Exhibit~~report ~~99.1~~to abe ~~copy~~signed on ofits behalf by the ~~Company’s~~undersigned, ~~financial~~thereunto ~~results~~duly ~~for~~authorized, on the ~~quarter~~ ~~ended~~5th ~~June~~day 30of September, 2003.

~~SIGNATURES~~By /s/ Patrick E. Phelan Patrick E. Phelan Executive Vice President / Chief Financial Officer (Principal Financial Officer) (Principal Accounting Officer) Director

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, on the 28th day of July, 2003.2

By /s/ Patrick E. Phelan Patrick E. Phelan Executive Vice President / Chief Financial Officer (Principal Financial Officer) (Principal Accounting Officer) Director

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