Costello Jeff Electric

San Mateo · San Mateo County · CA

LISTED

Bestopedia verdict

88 / 100 Bestopedia Trust Score

California’s contractor board lists Costello Jeff Electric in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is not current in the public record.

License standing
30 / 30
Years licensed
20 / 20
Contractor bond
20 / 20
Workers' comp
8 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#849767 verify on CSLB ↗
Classifications
C-10
Years licensed
21.7 years since 11/06/2004
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Not current in the public record
Business type
Sole Owner
Qualifying principal
Jeffrey Vincent Costello
Address of record
300 Santa Clara Way, San Mateo, CA 94403

Frequently Asked Questions

Is Costello Jeff Electric a licensed Electrical contractor in California?

Yes. Costello Jeff Electric holds California CSLB contractor license #849767 with a C-10 (Electrical) classification. Current CSLB status: CLEAR.

What work is Costello Jeff Electric licensed to perform?

License #849767 carries C-10 (Electrical).

Is Costello Jeff Electric bonded?

Yes. Costello Jeff Electric carries contractor's bond #100151309 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Costello Jeff Electric carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with EMPLOYERS ASSURANCE COMPANY, with a policy expiration of 05/27/2026 (this policy's expiration date has passed).

How long has Costello Jeff Electric held its contractor license?

License #849767 was originally issued on 11/06/2004, approximately 22 years ago (as of July 2026).

Where is Costello Jeff Electric located?

Costello Jeff Electric is based in San Mateo, San Mateo County, CA 94403.