The Honorable John H. Sugiyama

Contra Costa County Superior Court

Court Info

Contra Costa County Superior Court, Department 14 (website)

Clerk phone: (925) 608-1114

Courtroom Rules


Hon. John H. Sugiyama is a judge for the Superior Court of Contra Costa County in California. He was appointed in 2002.

The judge is a Democrat.

Judge Sugiyama was active in student politics in the 1960s and 70s.


  • J.D. from University of California, Berkeley Boalt Hall School of Law (1975)
  • Bachelor's degree from University of California, Berkeley (1972) (Political Science)


  • Attorney at California Department of Justice (1975 to 2000)
  • Deputy director and chief counsel at California Department of Corrections (2000 to 2002)