Kosta Jerry Petsas

Kosta Jerry Petsas: Attorney with Law Office of K. J. Petsas, PC
Attorney Awards


The founding partner of the Law Office of K.J. Petsas, PC, K.J. Petsas has made a lifelong mission of serving the people of California not only as an attorney but also notably through his military service as a Marine before, during and after Vietnam. K.J. served three years on active duty and 22 years as a reservist, receiving numerous awards and honors for his bravery and leadership. Prior to establishing his own law office, he worked at an insurance defense firm and as a deputy district attorney. K.J.’s previous skills as a prosecutor additionally affords him a unique perspective and advantage when defending clients in his criminal defense practice, an area of the law in which he has 30 years’ experience. K.J. employs in his practice of law the belief in accurate intelligence gathering, full preparation and providing his clients with realistic problem-solving alternatives. His military background coupled with his training and experience as a trial lawyer is used in the evaluation of every new client case.

Secretary, St. Ives Honor Law Society, 1966-1967. Recipient: Top One-Third of Class; One-Third Tuition Scholarship, 1971, 1975; Full Scholarship, Junior Year; St. Ives Honor Law Society Award, Graduating Senior; American Jurisprudence Award in Civil Procedure; Vietnamese Cross of Gallantry; Combat Action Ribbon; President Unit Citation (Three Stars); Navy Unit Citation; Marine Unit Citation; Vietnamese Service Medal; National Defense Medal; Vietnamese Campaign Medal.

Areas of Practice (14)

  • Automobile Accidents
  • Truck Accidents
  • Motorcycle Accidents
  • Slip and Fall
  • Wrongful Death
  • Criminal Defense
  • Misdemeanors
  • Domestic Violence
  • Felonies
  • Divorce
  • Divorce Mediation
  • Child Support
  • Estate Planning

Education & Credentials

Contact Information:
(650) 624-8155  Phone
(650) 737-7964  Fax
University Attended:
University of San Francisco, B.A., Political Science and Philosophy, 1967
Law School Attended:
Southwestern University School of Law, J.D., 1975
Year of First Admission:
1976, California
Second Lieutenant, United State Marine Corps, 1967; Infantry Platoon Commander, Battalion Staff Officer, South Vietnam, 1968-1969
Spanish and Tagalog
Birth Information:
Payment Information:
  • Free Initial Consultation

Peer Reviews

3.0/5.0 (2 reviews)
Peer Reviewed
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience

  • 3.8/5.0 Rated by a Sole Practitioner on 12/12/14 in Criminal Defense

    KJ has been an attorney for many years, and works well with the system. He is competent, but not extraordinary. I know that he does work in civil law, but I am unfamiliar with his capabilities in that arena.

    KJ has been an attorney for many years, and works well with the system. He is competent, but not extraordinary. I know that he does work in civil law, but I am unfamiliar with his capabilities in that arena. Read less

    Read less
  • 2.2/5.0 Rated by a Sole Practitioner on 12/04/14 in Family Law

*Peer Reviews provided before April 15, 2008 are not displayed.


South San Francisco, California

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