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About me

Located in Auburn, WA, my practice is geared solely towards criminal and traffic offenses in Pierce, King, Thurston, and Snohomish County. Consultations are always free, and available weekdays and Saturdays.  Available after hours for emergency calls.  (253) 33-66-DUI.


Photos and videos

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Practice areas


  1. DUI & DWI: 50%
    14 years, 1.95 thousand cases
  2. Criminal Defense: 25%
    14 years, 1.15 thousand cases
  3. Speeding Ticket: 20%
    14 years, 2 thousand cases
  4. Domestic Violence: 5%
    14 years, 300 cases



Free consultation (30 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

25 total 

Are you an attorney? Endorse this lawyer

  • Jill L Rogers

    A very knowledge and competent attorney. I endorse this lawyer.


    Jill Rogers Divorce & Separation Attorney
    Relationship: Other

  • David Christopher Mason

    I endorse Mr. Peterson. He pays great attention to his clients and his case and always produces great results.


    David Mason Criminal Defense Attorney
    Relationship: Fellow lawyer in community

Contact info

Petersen Law, PLLC

4508 Auburn Way N., Ste. A100
Auburn, WA, 98002


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
Top 100 DUI Lawyers in WashingtonNational Advocacy for DUI Defense2015
2015 Winter Session attendantNational College for DUI Defense2015
Top One PercentNational Association of Distinguished Counsel2015
2015 Washington Excellence Award recipientUS Commerce and Trade Research Institute2015
"10 Best" Attorneys for WashingtonAmerican Institute of DUI/DWI Attorneys2015
Attendee - Year end CLETacoma Pierce County Bar Association2014
Top 100 DUI Attorneys in Washington StateNational Institute for Trial Advocacy2014
TOP 100 DUI Attorneys in Wa. St.National Institute for Trial Advocacy2013
Chief's Award - Citizen CommendationCity of Kent, WA2013
Mastering Scientific Evidence in DUI CasesNational College for DUI Defense2012
Pro Bono Publico Service CommendationWashington State Bar Association2012
Client Choice Award - DUIAVVO2012
Client Choice Award - Traffic ticketsAVVO2012
CLE AttendenceTacoma Pierce County Bar Association2011
Pro Bono Publico Service CommendationWashington State Bar Association2011
CLE AttendenceTacoma Pierce County Bar Association2010
Pro Bono Publico Service CommendationState Bar Association of Washington2010
Defending DUI's, certificate of completionWashington Foundation for Criminal Justice2009
Pro Bono Publico Service CommendationWashington State Bar Association2007
CLE AttendanceWashington State Trial Lawyers Association2004
Traumatic Brain Injuries at TrialWashington State Trial Lawyers Association2003
Certificate of Training for Mediation AdvocacyUniversity of Idaho2002
Deans ListUniversity of Idaho School of Law2001
Deans ListEastern Washington University1997
Deans ListEastern Washington University1996
Work experience
TitleCompany nameDuration
AttorneyPetersen Law PLLC2005 - Present
AssociateLaw Offices of Barbara Bowden2004 - 2005
AssociateDore & Dore PS2003 - 2004
Deputy ProsecutorGrant County2002 - 2003
Deputy Prosecutor - Rule 9Whitman County2001 - 2001
Association namePosition nameDuration
National College of DUI DefenseMember2011 - Present
YMCA Mock TrialJudge2008 - 2008
Seattle University School of LawJudge for Mock Trial participants2005 - 2007
Tacoma Pierce County Bar AssociationAttorney Member2004 - Present
Washington State Trial Lawyers AssociationMember2003 - 2004
United State District Court - Western District of WashingtonAttorney Member2003 - Present
Washington State Bar AssociationAttorney Member2002 - Present
Legal cases
Case nameOutcome
State v. McHughCase dismissed, no probable cause to arrest
State v. SmithBAC refusal suppressed
See all legal cases 
School nameMajorDegreeGraduated
National College of DUI DefenseN/AMastering Scientific Evidence in DUI Cases2012
WSBA Continuing Legal EducationN/AWinning Strategies2004
University of Idaho College of LawLawJD - Juris Doctor2002
Eastern Washington UniversityCriminal JusticeN/A1999
Quincy High SchoolN/AHigh School Diploma1995
Speaking engagements
Conference nameTitleDate
UW Alcohol EducationImpact of Alcohol and DUI's on college students2010
YMCA Mock Trial State CompetitionDeadly Assault2007
Seattle University School of Law Moot CourtMoot Court 2007 - Judge2007
YMCA Mock Trial State CompetitionMurder Trial2006
Seattle University School of Law Moot Court BoardMoot Court - Judge2006
Seattle University School of Law Moot Court BoardMoot Court - Judge2005