Williams A/C Service
Williams A/C Service operating as a corporation is licensed in California under CSLB number 1065744. The license was first issued in 2020, putting the business at 6 years on the active CSLB roster. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Rancho Cucamonga, in San Bernardino County, California.
Rancho Cucamonga, CA 91730
- License Number
- 1065744
- Issued
- May 8, 2020
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800230298
- Effective
- Feb 20, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035734527
- Effective
- Dec 9, 2025
- Expires
- Dec 9, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Williams A/C Service licensed in California?
Williams A/C Service holds California Contractors State License Board license number 1065744. The license was first issued on May 8, 2020. It is valid through May 31, 2026.
What does Williams A/C Service specialize in?
Williams A/C Service is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Williams A/C Service headquartered?
Williams A/C Service is headquartered at 11010 Arrow Rte Suite 107, Rancho Cucamonga, CA 91730, in San Bernardino County, California.
Does Williams A/C Service have an active surety bond on file with CSLB?
Yes. Williams A/C Service has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Williams A/C Service carry workers' compensation coverage?
Yes. Williams A/C Service carries active workers' compensation coverage through Continental Casualty Company.
How do I verify Williams A/C Service's contractor license?
You can verify Williams A/C Service's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1065744.
- License issuedMay 8, 2020
- WC coverage startsDec 9, 2025
- Bond activeFeb 20, 2026
- License expiredMay 31, 2026
- WC expiresDec 9, 2026
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