Kosta Electric, C-10 Electrical Contractor in South San Francisco, CA
Kosta Electric operating as a sole owner holds an active California contractor license (CSLB #749596), valid through May 31, 2028. First issued in 1998, the license has been on the CSLB roster for 28 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in South San Francisco, in San Mateo County, California.
- License Number
- 749596
- Issued
- May 18, 1998
- Status
- CLEAR
- Expires
- May 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67793434
- Effective
- Feb 26, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 24, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Kosta Electric licensed in California?
Yes. Kosta Electric holds California Contractors State License Board license number 749596, which is active and in good standing. The license was first issued on May 18, 1998. It is valid through May 31, 2028.
What does Kosta Electric specialize in?
Kosta Electric is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Kosta Electric headquartered?
Kosta Electric is headquartered at 425 Dellbrook Avenue, South San Francisco, CA 94080, in San Mateo County, California.
Does Kosta Electric have an active surety bond on file with CSLB?
Yes. Kosta Electric has an active California contractor surety bond filed with Western Surety Company.
Does Kosta Electric carry workers' compensation coverage?
Kosta Electric reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Kosta Electric's contractor license?
You can verify Kosta Electric's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=749596.
- License issuedMay 18, 1998
- Bond activeFeb 26, 2026
- WC coverage startsApr 24, 2026
- License expiresMay 31, 2028
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