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California contractor license
Coastal Wolf Builders Inc
Coastal Wolf Builders Inc of Duarte holds California license 1154221 (B General Building). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Apr 30, 2028.
Active
Coastal Wolf Builders Inc, Duarte
- License
- 1154221
- Class
- B General Building
- Expires
- Apr 30, 2028
- Bond
- $25,000
- Workers' comp
- Exempt
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
- $25,000American Contractors Indemnity Company, from Apr 9, 2026, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- Exemptfrom Apr 9, 2026
Who is on this license?
- Responsible managing officer, CEO and president
- Mauricio Carrillo TiscarenoSince Apr 28, 2026
What work does this license cover?
Issued Apr 28, 2026.
The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.
Which other Duarte businesses hold B General Building?
- American Grandstand Seating Co IncLicensed since 1972
- Fischer Chuck Trinity Construction IncLicensed since 1979
- W T M Contracting Services IncLicensed since 1989
- Chris Building CorpLicensed since 2025
- FGR General ContractorLicensed since 2026
What should you check before hiring?
What to ask before you hire
- Get the license number in writing. The name on the license should match the name on your contract and invoice.
- Check the class covers the job. A license for one trade doesn't cover another. California license classes
- Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
- 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.
- 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
- Don't sign or pay a deposit until the CSLB shows the license active again.
- 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.
- If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
- Check another contractor. California license lookup
Sources
- CSLB License Master (cslb.ca.gov, Oct 31, 2026)
- Contractors State License Board (CSLB)