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Petsas & Stephens
divorce attorneys

San Mateo Family Law Attorneys

K.J. Petsas

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.

Practice areas

Bar admissions


  • Southwestern University School of Law, J.D., 1975
    • American Jurisprudence Award, Civil Procedure
    • One-Third Tuition Scholarship, 1971, 1975
    • Top One-Third of Class
    • Night Vice-President, Student Bar Association
    • President, Phi Alpha Delta
    • Who’s Who in American Colleges and Universities, 1973–1974, 1974–1975
    • Second Year Class Representative, Student Bar Association
  • University of San Francisco, B.A. in Political Science and Philosophy, 1967
    • Scholarship, Junior Year
    • Secretary, St. Ives Honor Law Society, 1966–1967
    • St. Ives Honor Law Society Award, Graduating Senior
    • Class President, 1964–1965
    • Student Leader Pep Band, 1965–1967
    • Head Cheerleader, 1966–1967

Military education

  • Commissioned as a second lieutenant in United States Marine Corps, 1967
  • Graduate of the Command and General Staff College, 1986

Military awards

  • 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

Contact our experience San Francisco area attorneys

For legal assistance from a San Mateo divorce lawyer and criminal law firm in South San Francisco, call 650.273.4924 or contact us online to take advantage of our free initial consultation. We return all calls within 12 hours.

San Mateo

Reserved for those who have obtained verdicts or settlements of a million dollars or more.