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California contractor license

Carnahan Electric LTD

Carnahan Electric LTD of Diamond Springs holds California license 423462 (C10 Electrical, C46 Solar). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jun 30, 2027.

Licensed 44 years, longer than 96% of 15,216 active California electrical contractors.

Active

Carnahan Electric LTD, Diamond Springs

License
423462
Class
C10 Electrical; C46 Solar
Expires
Jun 30, 2027
Bond
$25,000
Workers' comp
Insured to May 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
$25,000Merchants Bonding Company (Mutual), from Jul 7, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredEmployers Preferred Insurance Company, from May 1, 2026, to May 1, 2027

Who is on this license?

Officer
Aaron W. CarnahanSince Apr 9, 2001
Officer
Peggy A. CarnahanSince Apr 9, 2001
Responsible managing officer, CEO and president
John M. CarnahanSince Jun 3, 1982

What work does this license cover?

Issued Jun 3, 1982. Reissued Jun 23, 1999.

Which other Diamond Springs 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)