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California contractor license

Calstate Pipeline Engineering

Calstate Pipeline Engineering of Chino Hills holds California license 1030879 (A General Engineering). The CSLB file dated Oct 28, 2026 lists it as active.1 It expires Sep 30, 2027.

Doing business as Calstate Pipeline Inc.

Active

Calstate Pipeline Engineering, Chino Hills

  • Workers' comp on file ended Oct 12, 2026.
License
1030879
Class
A General Engineering
Expires
Sep 30, 2027
Bond
$25,000
Workers' comp
Insured to Oct 12, 2026

CSLB file dated Oct 28, 2026

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

Issued Sep 11, 2017.

Bond
$25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredPie Insurance Company (The), from Oct 12, 2025, to Oct 12, 2026

What work does this license cover?

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 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)