Key Mechanical Company

Livermore · Alameda County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Key Mechanical Company in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.

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

How the Trust Score is calculated →

The verified record

CSLB license
#813609 verify on CSLB ↗
Classifications
C-20, C-38
Years licensed
23.7 years since 10/10/2002
Contractor bond
$25,000 LIBERTY MUTUAL INSURANCE COMPANY
Workers’ comp
Current TWIN CITY FIRE INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Frank William Leonard
Address of record
747 Enterprise Court, Livermore, CA 94550

Frequently Asked Questions

Is Key Mechanical Company a licensed HVAC contractor in California?

Yes. Key Mechanical Company holds California CSLB contractor license #813609 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Key Mechanical Company licensed to perform?

License #813609 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C38.

Is Key Mechanical Company bonded?

Yes. Key Mechanical Company carries contractor's bond #023034128 for $25,000 through LIBERTY MUTUAL INSURANCE COMPANY.

Does Key Mechanical Company carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with TWIN CITY FIRE INSURANCE COMPANY, with a policy expiration of 04/01/2027.

How long has Key Mechanical Company held its contractor license?

License #813609 was originally issued on 10/10/2002, approximately 24 years ago (as of July 2026).

Where is Key Mechanical Company located?

Key Mechanical Company is based in Livermore, Alameda County, CA 94550.