The Honorable Dennis W. Hayashi

Alameda County Superior Court, Department 518

Discover if Hon. Hayashi is the right judge for your case based on their ruling history. Stop making 170.6 decisions blindly. See a report sample

Download Hon. Hayashi Report


The Hon. Dennis W. Hayashi is a judge for the Alameda County Superior Court in California. He elected to the bench in 2006.

Judge Hayashi received his bachelor's degree from Occidental College in 1974. He went on to earn his J.D. from the University of California, Hastings College of the Law in 1978.

Prior to his election to the bench, Hayashi served as the director of the California Department of Fair Employment and Housing. He also served as the director of the U.S. Department of Health and Human Service's Office for Civil Rights under President Bill Clinton's administration. During his time there, Hayashi helped to enforce civil rights laws involving the Age Discrimination Act, the Americans with Disabilities Act, and the Civil Rights Act.

Before that, Hayashi served as a staff attorney for the Asian Law Caucus.

He was also elected to serve on the Alameda-Contra Costa Transit Board of Directors.

His memberships have included the California Commission on the Prevention of Hate Violence, the White House Commission on Asian Americans, the Child Care Law Center, the Coro Foundation, the Spectrum Community Services, and the San Francisco Legal Aid Society.

Judge Hayashi is married to Mary Hayashi, who served as a member of the California State Assembly.

For full print and download access, please subscribe at

Please wait a moment while we gather your results.