The Honorable Dennis W. Hayashi

Alameda County Superior Court

Court Info

Alameda County Superior Court, Department 518 (website)

Clerk phone: 510-690-2727

Courtroom Rules


The Hon. Dennis W. Hayashi is a judge for the Superior Court of Alameda County in California. He was re-elected in 2014 for a term that expires in January of 2021. Hayashi received a bachelor's degree from Occidental College in 1974 and a J.D. from the University of California Hastings College of the Law in 1978.


  • J.D. from University of California, Hastings College of the Law (1978)
  • Bachelor's Degree from Occidental College (1874)