Judge Allan D. Hardcastle | Trellis: Legal Intelligence + Judicial Analytics

The Honorable Allan D. Hardcastle

Sonoma County Superior Court, Department Courtroom 19 (website)

Court Info

Sonoma County Superior Court, Department Courtroom 19 (website)

Clerk phone: (707) 521-­6602


The Hon. Allan D. Hardcastle is a judge for the Superior Court of Sonoma County in California. He was appointed in 1997.

In 1989 he was named "Boss of the Year" by the Sonoma County Legal Secretaries Association.

Hardcastle has taught Evidence and Remedies at Empire College since 2005.


J.D. from University of the Pacific, McGeorge School of Law (1979)

Bachelor's Degree from University of the Pacific (1977)


Managing Partner at Babin, Seeger and Hardcastle

Lieutenant Colonel at U.S. Army (1979 to 2002)

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