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California contractor license
Mantell Masonry Construction Inc
Mantell Masonry Construction Inc of Loomis holds California license 435354 (B General Building, C29 Masonry). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Dec 31, 2027.
Licensed 43 years, longer than 93% of 106 active Loomis general contractors.
Active
Mantell Masonry Construction Inc, Loomis
- License
- 435354
- Class
- B General Building; C29 Masonry
- Expires
- Dec 31, 2027
- Bond
- $25,000
- Workers' comp
- Insured to Oct 1, 2027
CSLB file dated Nov 1, 2026
From the CSLB file dated Nov 1, 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 Nov 1, 2026. Confirm with the board: CSLB license check
What bond, insurance and workers' comp are on file?
- Bond
- $25,000American Contractors Indemnity Company, from Jan 1, 2023, continuous
- Liability insurance
- Not in the CSLB fileCheck with the board
- Workers' comp
- InsuredInsurance Company Of The West, from Oct 1, 2026, to Oct 1, 2027
Who is on this license?
- Responsible managing officer, CEO and president
- Douglas J. MantellSince Feb 18, 1983
What work does this license cover?
Issued Feb 18, 1983. Reissued Dec 9, 1999.
- B General Building
- C29 Masonry
Which other Loomis businesses hold B General Building?
- Duarte ConstructionLicensed since 1977
- Village Properties Development IncLicensed since 1983
- Bews Dan Construction IncLicensed since 1984
- Neighborhood Construction IncLicensed since 1987
- Westridge Builders IncLicensed since 1988
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, Nov 1, 2026)
- Contractors State License Board (CSLB)