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About me

Mary-Margaret Bierbaum has been in Private Practice since 1990 and established
her own firm in February 1992. Prior to that, she worked with the Santa
Cruz, San Francisco, and San Benito District Attorneys' Offices as an
Assistant DA, 1983-1990. Ms. Bierbaum has personally handled over 50
Jury Trials, numerous Court trials (to a Judge) as well as various and
sundry Preliminary Hearings (Felonies), Motions, and sentencing
Hearings. She also advocates for Respondents at DMV hearings and has
successfully retained driver's licenses, i. e.--prevented suspensions,
in over 40% of case.


On her free time, Mary-Margaret enjoys yoga, biking, kayaking, dancing and swimming.


Practice areas


  1. Criminal Defense: 50%
    5 years
  2. DUI & DWI: 30%
    5 years
  3. Mediation: 20%
    5 years



Retainer (always)

Payment types:

Cash, Check, Credit card

Attorney endorsements

9 total 

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  • Aaron Christopher Harper

    I endorse this lawyer.


    Aaron Harper DUI & DWI Attorney
    Relationship: Fellow lawyer in community

  • Christian K. Lassen II

    I endorse this lawyer. Her knowledge of complex legal issues is extensive, based on her AVVO answers.


    Christian Lassen Personal Injury Attorney
    Relationship: Fellow lawyer in community

Contact info

Mary-Margaret Bierbaum

1414 Soquel Av.
Suite 222
Santa Cruz, CA, 95062


We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
super lawyerNorthern California Super Lawyers2008
super lawyerNorthern California Super Lawyers2007
Super LawyerNorthern California Super Lawyers2006
California Board of Specialization in Criminal LawCalifornia Bar1996
Special MasterCA State BarN/A
Work experience
TitleCompany nameDuration
Attorney-MediatorMonterey County Superior Court2009 - Present
Association namePosition nameDuration
Trial Lawyers for Public JusticeMember2002 - 2005
California Deuce DefendersMember2000 - Present
Women Lawyers of Santa Cruz CountyPresident2000 - 2000
Women DefendersMember1995 - Present
Consumer Attorneys of CaliforniaMember1992 - 2005
California Public Defenders AssociationMember1992 - Present
Santa Cruz County Criminal Defense Bar AssociationMember1990 - Present
Santa Cruz County Bar AssociationMember1986 - Present
Women Lawyers of Santa Cruz CountyMember1986 - Present
State Bar of CaliforniaMember1983 - Present
Publication nameTitleDate
CoPIRGON YOUR OWN, Small Claims CourtN/A
School nameMajorDegreeGraduated
University of Colorado School of LawLawJD - Juris DoctorN/A
University of California - BerkeleyN/AA.B.N/A
Georgetown UniversityPsychologyN/AN/A
Speaking engagements
Conference nameTitleDate
Western Service WorkersGuest SpeakerN/A
MCLE SpeakerCriminal Law, Session LeaderN/A
Criminal LawWomen & AlcoholN/A