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California contractor license

Ac/Dc Electrical Contractors Inc

Ac/Dc Electrical Contractors Inc of Stockton holds California license 500240 (C10 Electrical). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Jan 31, 2027.

Licensed 40 years, longer than 85% of 71 active Stockton electrical contractors.

Active

Ac/Dc Electrical Contractors Inc, Stockton

License
500240
Class
C10 Electrical
Expires
Jan 31, 2027
Bond
$25,000
Workers' comp
Insured to Oct 1, 2027

CSLB file dated Oct 30, 2026

From the CSLB file dated Oct 30, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the CSLB file dated Oct 30, 2026. Confirm with the board: CSLB license check

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
InsuredMid-Century Insurance Company, from Oct 1, 2024, to Oct 1, 2027

Who is on this license?

Responsible managing officer, CEO and president
John R. MullerSince Oct 21, 1986

What work does this license cover?

Issued Oct 21, 1986. Reissued Jan 20, 2005.

Which other Stockton businesses hold C10 Electrical?

California electrical contractors

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 30, 2026)
  2. Contractors State License Board (CSLB)