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.

Marianne Kristofferson

CPA · SD Mayer & Associates LLP

San Mateo, California 94402

Marianne Kristofferson, CPA in San Mateo, CA

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Marianne Kristofferson, CPA in San Mateo · CPA Seek