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California contractor license
Williams Bill Construction Inc
Williams Bill Construction Inc of Corona holds California license 410951 (B General Building). The CSLB file dated Oct 30, 2026 lists it as active.1 It expires Sep 30, 2028.
Licensed 45 years, longer than 96% of 426 active Corona general contractors.
Active
Williams Bill Construction Inc, Corona
- License
- 410951
- Class
- B General Building
- Expires
- Sep 30, 2028
- Bond
- $25,000
- Workers' comp
- Insured to Jun 1, 2027
CSLB file dated Oct 30, 2026
From the CSLB file dated Oct 30, 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 30, 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 Jun 1, 2026, to Jun 1, 2027
Who is on this license?
- Officer
- Melissa A. WilliamsSince Sep 25, 2012
- Responsible managing officer, CEO and president
- Billy L. WilliamsSince Aug 27, 1981
What work does this license cover?
Issued Aug 27, 1981. Reissued Sep 25, 2012.
Which other Corona businesses hold B General Building?
- Wood Builders Construction IncLicensed since 1979
- Next Chapter HomesLicensed since 1981
- T W R Enterprises IncLicensed since 1986
- Richmond American Homes Of Maryland IncLicensed since 1986
- Van Daele Development CorporationLicensed since 1987
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 30, 2026)
- Contractors State License Board (CSLB)