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State files updated Oct 27, 2026
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California contractor license

Tri-Valley Striping

Tri-Valley Striping of Orinda holds California license 850528 (C12 Earthwork and Paving, C32 Parking and Highway Improvement). The CSLB file dated Oct 26, 2026 lists it as active.1 It expires Dec 31, 2026.

Doing business as Tri-Valley Contracting Inc.

Active

  • Workers' comp ends Nov 24, 2026 (29 days)

Tri-Valley Striping, Orinda

License
850528
Class
C12 Earthwork and Paving; C32 Parking and Highway Improvement
Expires
Dec 31, 2026
Bond
$25,000
Workers' comp
Insured to Nov 24, 2026

CSLB file dated Oct 26, 2026

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

Issued Dec 2, 2004.

Bond
$25,000North River Insurance Company (The), from Aug 24, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredOmaha National Casualty Company, from Nov 24, 2025, to Nov 24, 2026

What work does this license cover?

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 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 26, 2026)
  2. Contractors State License Board (CSLB)