Thornton Electric, C-10 Electrical Contractor in San Mateo, CA
Thornton Electric operating as a corporation holds an active California contractor license (CSLB #480158), valid through Jun 30, 2027. First issued in 1985, the license has been on the CSLB roster for 41 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Technology Insurance Company INC. The business is based in San Mateo, in San Mateo County, California.
- License Number
- 480158
- Issued
- Sep 30, 1985
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 166309
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Technology Insurance Company INC
- Policy Number
- TWP4704319
- Effective
- Dec 4, 2025
- Expires
- Dec 4, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Thornton Electric licensed in California?
Yes. Thornton Electric holds California Contractors State License Board license number 480158, which is active and in good standing. The license was first issued on September 30, 1985. It is valid through June 30, 2027.
What does Thornton Electric specialize in?
Thornton Electric is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Thornton Electric headquartered?
Thornton Electric is headquartered at 1101 Sourth Railroad Avenue, San Mateo, CA 94402, in San Mateo County, California.
Does Thornton Electric have an active surety bond on file with CSLB?
Yes. Thornton Electric has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Thornton Electric carry workers' compensation coverage?
Yes. Thornton Electric carries active workers' compensation coverage through Technology Insurance Company INC.
How do I verify Thornton Electric's contractor license?
You can verify Thornton Electric's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=480158.
- License issuedSep 30, 1985
- Bond activeJan 1, 2023
- WC coverage startsDec 4, 2025
- WC expiresDec 4, 2026
- License expiresJun 30, 2027
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