Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Jacobsen Sherertz, Kimberly J.
 2. Date of Event Requiring Statement (Month/Day/Year)
01/20/2011		 3. Issuer Name and Ticker or Trading Symbol
BARRETT BUSINESS SERVICES INC [BBSI]
(Last)
(First)
(Middle)
25011 NE CRESAP ROAD		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BATTLE GROUND, WA 98604		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 15,000
D
 
Common Stock 2,541,832
I
By Estate of William W. Sherertz (1)
Common Stock 19,600
I
By son
Common Stock 20,749
I
By daughter

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Nonqualified Stock Options 01/20/2011 01/20/2012 Common Stock 2,000 $ 11.08 I By Estate of William W. Sherertz (1)
Nonqualified Stock Options 01/20/2011 01/20/2012 Common Stock 2,000 $ 13.38 I By Estate of William W. Sherertz (1)
Nonqualified Stock Options 12/30/2005 01/20/2012 Common Stock 98,697 $ 15.2 I By Estate of William W. Sherertz (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Jacobsen Sherertz, Kimberly J.
25011 NE CRESAP ROAD
BATTLE GROUND, WA 98604		     X    

Signatures

/s/ Kimberly J. Sherertz 05/13/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) These shares are owned directly by the Estate of William W. Sherertz, a ten percent beneficial owner of the issuer, and indirectly by Kimberly J. Sherertz as personal representative of the estate.

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