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State files updated Oct 29, 2026
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California contractor license

Dillon Electric Inc

Dillon Electric Inc of Oakley holds California license 757173 (C10 Electrical). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jan 31, 2027.

Licensed 27 years, longer than 82% of 15,216 active California electrical contractors.

Active

Dillon Electric Inc, Oakley

License
757173
Class
C10 Electrical
Expires
Jan 31, 2027
Bond
$25,000
Workers' comp
Insured to Oct 1, 2027

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
$25,000Western Surety Company, from Jan 20, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredMid-Century Insurance Company, from Oct 18, 2019, to Oct 1, 2027

Who is on this license?

Officer
Harry R. DillonSince Jan 31, 2011
Responsible managing officer, CEO and president
David R. DillonSince Dec 16, 1998

What work does this license cover?

Issued Dec 16, 1998. Reissued Jan 31, 2011.

Which other Oakley 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 29, 2026)
  2. Contractors State License Board (CSLB)