Costello Jeff Electric, C-10 Electrical Contractor in San Mateo, CA
Costello Jeff Electric operating as a sole owner holds an active California contractor license (CSLB #849767), valid through Nov 30, 2026. First issued in 2004, the license has been on the CSLB roster for 22 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Indemnity Company and a previously-filed workers' compensation policy with Employers Assurance Company that is no longer active. The business is based in San Mateo, in San Mateo County, California.
- License Number
- 849767
- Issued
- Nov 6, 2004
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100151309
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Assurance Company
- Policy Number
- EIG5995901
- Effective
- May 27, 2025
- Expires
- May 27, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Costello Jeff Electric licensed in California?
Yes. Costello Jeff Electric holds California Contractors State License Board license number 849767, which is active and in good standing. The license was first issued on November 6, 2004. It is valid through November 30, 2026.
What does Costello Jeff Electric specialize in?
Costello Jeff Electric is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Costello Jeff Electric headquartered?
Costello Jeff Electric is headquartered at 300 Santa Clara Way, San Mateo, CA 94403, in San Mateo County, California.
Does Costello Jeff Electric have an active surety bond on file with CSLB?
Yes. Costello Jeff Electric has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Costello Jeff Electric carry workers' compensation coverage?
Costello Jeff Electric has a previously-filed workers' compensation policy with Employers Assurance Company that is no longer active.
How do I verify Costello Jeff Electric's contractor license?
You can verify Costello Jeff Electric's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=849767.
- License issuedNov 6, 2004
- Bond activeJan 1, 2023
- WC coverage startsMay 27, 2025
- WC expiredMay 27, 2026
- License expiresNov 30, 2026
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