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State files updated Oct 31, 2026
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California contractor license

Cosco Fire Protection

Cosco Fire Protection of Mission Viejo holds California license 577621 (B General Building, C10 Electrical, C16 Fire Protection). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Sep 30, 2027.

Doing business as Cosco Fire Protection Inc.

Licensed 37 years, longer than 93% of 44 active Mission Viejo electrical contractors.

Active

Cosco Fire Protection, Mission Viejo

License
577621
Class
B General Building; C10 Electrical; C16 Fire Protection
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Jan 1, 2027

CSLB file dated Oct 31, 2026

From the CSLB file dated Oct 31, 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 31, 2026. Confirm with the board: CSLB license check

What bond, insurance and workers' comp are on file?

Bond
$25,000Westchester Fire Insurance Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredAce American Insurance Company, from Jan 1, 2026, to Jan 1, 2027

Who is on this license?

Officer
Ted HansonSince Feb 4, 2003
Officer
Alexander A. HernandezSince Jan 28, 2008
Officer
Roger J. JumpSince Jan 28, 2008
Responsible managing employee
John D. StroheckerSince May 5, 2008
Responsible managing employee
Richard L. MarlinSince Jan 23, 2020
Responsible managing employee
Vincent R. VineSince Mar 16, 2023

What work does this license cover?

Issued Sep 22, 1989.

Which other Mission Viejo businesses hold B General Building?

California electrical contractorsGeneral Contractors in Mission ViejoCalifornia general 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 31, 2026)
  2. Contractors State License Board (CSLB)