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State files updated Oct 28, 2026
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California contractor license

Mitchell Engineering

Mitchell Engineering of San Francisco holds California license 754676 (A General Engineering, B General Building, C10 Electrical, C31 Construction Zone Traffic Control, C36 Plumbing, HAZ Hazardous Substance Removal Certification). The CSLB file dated Oct 28, 2026 lists it as active.1 It expires Sep 30, 2028.

Licensed 28 years, longer than 80% of 326 active San Francisco electrical contractors.

Active

Mitchell Engineering, San Francisco

License
754676
Class
A General Engineering; B General Building; C10 Electrical; C31 Construction Zone Traffic Control; C36 Plumbing; HAZ Hazardous Substance Removal Certification
Expires
Sep 30, 2028
Bond
$25,000
Workers' comp
Insured to Dec 31, 2026

CSLB file dated Oct 28, 2026

From the CSLB file dated Oct 28, 2026. Not a consumer report; check the board before you hire.

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

Bond
$25,000Liberty Mutual Insurance Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredState Compensation Insurance Fund, from Dec 31, 2023, to Dec 31, 2026

What work does this license cover?

Issued Sep 30, 1998.

Which other San Francisco businesses hold A General Engineering?

Electrical Contractors in San FranciscoCalifornia electrical contractorsPlumbing Contractors in San FranciscoCalifornia 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 28, 2026)
  2. Contractors State License Board (CSLB)