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California contractor license

Mopia Electric LLC

Mopia Electric LLC of Castro Valley holds California license 957769 (C10 Electrical). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires May 31, 2028.

Licensed 15 years, longer than 65% of 20 active Castro Valley electrical contractors.

Active

  • Workers' comp ends Nov 11, 2026 (13 days)

Mopia Electric LLC, Castro Valley

License
957769
Class
C10 Electrical
Expires
May 31, 2028
Bond
$25,000
Workers' comp
Insured to Nov 11, 2026

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 Mar 27, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredMid-Century Insurance Company, from Nov 11, 2025, to Nov 11, 2026

Who is on this license?

Responsible managing member
Randall S. MopiaSince Feb 15, 2011
LLC manager
Katherine G. MopiaSince May 6, 2024

What work does this license cover?

Issued Feb 15, 2011. Inactive Dec 30, 2011 to Jan 30, 2012. Reissued May 6, 2024.

Which other Castro Valley businesses hold C10 Electrical?

California electrical contractors

What should you check before hiring?

What to ask before you hire

  1. Ask whether it has been renewed. Something on this license ends within 60 days. Check again before you pay a deposit.
  2. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  3. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  4. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  5. 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.
  6. 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)