Westco Service Co

Shadow Hills · Los Angeles County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Westco Service Co 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
#670542 verify on CSLB ↗
Classifications
B, C-20, C-36
Years licensed
33.2 years since 05/04/1993
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current ARCH INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Janet Frances Mrasz, Mario Anthony Barberio, David Greg Barberio, John Thomas Mrasz
Address of record
9691 Sunland Blvd, Shadow Hills, CA 91040

Frequently Asked Questions

Is Westco Service Co a licensed HVAC contractor in California?

Yes. Westco Service Co holds California CSLB contractor license #670542 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Westco Service Co licensed to perform?

License #670542 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C36.

Is Westco Service Co bonded?

Yes. Westco Service Co carries contractor's bond #100166806 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Westco Service Co carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with ARCH INSURANCE COMPANY, with a policy expiration of 05/01/2027.

How long has Westco Service Co held its contractor license?

License #670542 was originally issued on 05/04/1993, approximately 33 years ago (as of July 2026).

Where is Westco Service Co located?

Westco Service Co is based in Shadow Hills, Los Angeles County, CA 91040.