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.

William C Jaback

CPA · SummitNPC

Tukwila, Washington 98188

William C Jaback, CPA in Tukwila, WA

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Licenses

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