Listed as a CPA in IRS public preparer records. Source: IRS PTIN FOIA extract (Feb 2026), retrieved October 23, 2026. https://www.irs.gov/pub/foia/foia-california-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

William Shaw Amsbary

CPA

San Mateo, California 94403

William Shaw Amsbary, CPA in San Mateo, CA

Specialties

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Licenses

No state license number is on file.

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