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California contractor license
Concretum Operis Inc
Concretum Operis Inc of Richmond holds California license 1062721 (B General Building, C8 Concrete). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Jan 31, 2028.
Active
Concretum Operis Inc, Richmond
- License
- 1062721
- Class
- B General Building; C8 Concrete
- Expires
- Jan 31, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Sep 15, 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
- InsuredState Compensation Insurance Fund, from Sep 15, 2023, to Sep 15, 2027
Who is on this license?
- Officer
- Brandon BarajasSince Jan 27, 2020
- Responsible managing officer
- Nemesio Gonzalez OdilonSince Jan 27, 2020
- Responsible managing officer
- John GerstenkornSince Mar 23, 2022
- CEO and president
- Roberto GonzalezSince Jan 27, 2020
What work does this license cover?
Issued Jan 27, 2020.
- B General Building
- C8 Concrete
Which other Richmond businesses hold B General Building?
- Planet Home ConstructionLicensed since 2019
- Oceanfront Construction IncLicensed since 2020
- Ogee Millwork LLCLicensed since 2020
- E & E General Construction IncLicensed since 2020
- Hanson Electrical ContractorLicensed since 2021
General Contractors in RichmondCalifornia general contractors
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)