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.

Ronald Stumpf

CPA · Lance, Soll & Lunghard, LLP

Santa Ana, California 92701

Ronald Stumpf, CPA in Santa Ana, CA

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Ronald Stumpf, CPA in Santa Ana · CPA Seek