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State files updated Oct 29, 2026
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California contractor license

Valley Drilling Co

Valley Drilling Co of Galt holds California license 299383 (C57 Well Drilling, D09). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jul 31, 2028.

Doing business as D & D Drilling Inc.

Active

Valley Drilling Co, Galt

License
299383
Class
C57 Well Drilling; D09
Expires
Jul 31, 2028
Bond
$25,000
Workers' comp
Exempt

CSLB file dated Oct 29, 2026

From the CSLB file dated Oct 29, 2026. Not a consumer report; check the board before you hire.

What bond, insurance and workers' comp are on file?

Bond
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom Jun 10, 2026

Who is on this license?

Officer
Cory D. HarrisonSince Jan 7, 2011
Officer
Tyler M. HarrisonSince Sep 25, 2012
Responsible managing officer, CEO and president
Mitchell T. HarrisonSince Aug 10, 1982

What work does this license cover?

Issued Oct 29, 1974.

The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.

Which other Galt businesses hold C57 Well Drilling?

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the CSLB shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
  4. Check another contractor. California license lookup

Sources

  1. CSLB License Master (cslb.ca.gov, Oct 29, 2026)
  2. Contractors State License Board (CSLB)