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Kosta Jerry Petsas

Family Attorney at South San Francisco, CA

Not yet reviewed

also known as K.J. Petsas

  • Licensed for 47 years
    State CA
    Acquired 1976
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Kosta

Learn Kosta’s areas of practice.

Practice areas
  1. Family
    We handle family law cases including: divorce, child custody & visitation, child support, and estate planning.

    33 years, 1,500 cases

  2. Criminal defense
    We handle criminal defense cases including: misdemeanors, DUI, domestic violence, and felonies.

    48 years, 3,000 cases

  3. Personal injury
    We handle personal injury cases including: auto accidents, truck & motorcycle accidents, slips & falls, and wrongful death.

    48 years, 3,500 cases

Serving the greater San Francisco Bay area and San Mateo, Attorney K.J. Petsas provides legal representation in matters of personal injury, family law, estate planning, and criminal law. As a combat veteran of the Vietnam conflict, retiring as a Lieutenant Colonel after more than 20 years of reserve duty, and as a former prosecutor, K.J. Petsas knows first-hand what it takes to win. We are conveniently located in South San Francisco and encourage you to give us a call at or contact us online to take advantage of our free initial consultations.


Kosta Jerry Petsas
1475 Huntington Ave Ste 205
South San Francisco, CA, 94080

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AVVO RATING 6.9 (Good)


  • Southwestern University School of Law
  • J.D.
  • 1975
  • University of San Francisco
  • B.A.
  • 1967


  • Million Dollar Advocates Forum
  • Lifetime Member
  • N/A

Languages Spoken

  • English

Honors and Awards

  • Lifetime Member
  • Million Dollar Advocates Forum
  • N/A

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South San Francisco Family Lawyer Kosta Jerry Petsas
Kosta Jerry Petsas
Family Attorney
South San Francisco, CA
Licensed for 47 years