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State files updated Oct 29, 2026
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California contractor license

Blackwell Construction Inc

Blackwell Construction Inc of Studio City holds California license 406673 (B General Building, C10 Electrical, C36 Plumbing). The CSLB file dated Oct 29, 2026 lists it as active.1 It expires Jun 30, 2027.

Licensed 45 years, longer than 96% of 15,216 active California electrical contractors.

Active

Blackwell Construction Inc, Studio City

License
406673
Class
B General Building; C10 Electrical; C36 Plumbing
Expires
Jun 30, 2027
Bond
$25,000
Workers' comp
Insured to Dec 31, 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
$25,000Travelers Casualty And Surety Company Of America, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredStarstone National Insurance Company, from Dec 31, 2025, to Dec 31, 2026

Who is on this license?

Responsible managing officer, CEO and president
Gary B. BlackwellSince Jun 18, 1981

What work does this license cover?

Issued Jun 18, 1981. Reactivated Mar 14, 2001. Reissued Jun 8, 2001.

Which other Studio City businesses hold B General Building?

California electrical contractorsCalifornia plumbing 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)