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-washington-extract.csv No state license number is on file. Specialties are blank until this preparer claims the listing. CPA Seek does not contact preparers.

Kathleen M. Thonney

CPA · Kathleen M. Thonney, CPA Retired

Prosser, Washington 99350

Kathleen M. Thonney, CPA in Prosser, WA

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Kathleen M. Thonney, CPA in Prosser · CPA Seek