Well Drilling in Sonora, CA. C57
Tanko Dennis appears in California license records as a well drilling contractor based in Sonora, CA. The record lists a C57 license (#530534) with status “Clear”. It was first issued on 1988-05-18, 38 years ago. The listed expiration date, 2026-10-31, has passed, so check the state board before hiring. A contractor bond of $25,000 is on file. Workers' comp on file: Exempt.
Information sourced from public state license records — not yet verified by the business owner. Always confirm credentials before hiring.
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Tanko Dennis is a well drilling contractor based in Sonora, California. Their license classification is C57. Listed specialties: C57.
Yes. Tanko Dennis holds California CSLB license #530534 (status: Clear). Verify the current status on California CSLB before hiring.
Tanko Dennis is based in Sonora, CA 95370.
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Not yet. This listing was created from public California license records but hasn't been claimed by the owner. The license info above is from official records, but the business hasn't confirmed its services, hours, or current availability with us yet.
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