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State files updated Oct 29, 2026
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California contractor license

Chief Electric Inc

Chief Electric Inc of Rancho Cucamonga holds California license 627724 (C10 Electrical). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Dec 31, 2026.

Licensed 35 years, longer than 86% of 98 active Rancho Cucamonga electrical contractors.

Active

Chief Electric Inc, Rancho Cucamonga

License
627724
Class
C10 Electrical
Expires
Dec 31, 2026
Bond
$25,000
Workers' comp
Insured to Oct 12, 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
$25,000Jet Insurance Company, from Apr 1, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredOmaha National Casualty Company, from Oct 12, 2026, to Oct 12, 2027

Who is on this license?

Officer
Magdalena GuerreroSince Jan 20, 2011
Responsible managing officer, CEO and president
Frank M. GuerreroSince Sep 6, 1991

What work does this license cover?

Issued Sep 6, 1991. Inactive Oct 22, 1998 to Nov 10, 1999. Reissued Dec 14, 2004.

Which other Rancho Cucamonga 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)