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

Katherine Castillo

CPA · Katherine C Castillo, CPA

Lake Orion, Michigan 48360

Katherine Castillo, CPA in Lake Orion, MI

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Katherine Castillo, CPA in Lake Orion · CPA Seek