Zone 4 Construction Inc

San Carlos · San Mateo County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists Zone 4 Construction Inc 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
#797500 verify on CSLB ↗
Classifications
B, C-10, C-20
Years licensed
25.0 years since 07/17/2001
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current OMAHA NATIONAL CASUALTY COMPANY
Business type
Corporation
Qualifying principal
Jackson Comer Iii Robertson, Gino Giovanni Guidi
Address of record
1022 Center Street, San Carlos, CA 94070

Frequently Asked Questions

Is Zone 4 Construction Inc a licensed HVAC contractor in California?

Yes. Zone 4 Construction Inc holds California CSLB contractor license #797500 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Zone 4 Construction Inc licensed to perform?

License #797500 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C10.

Is Zone 4 Construction Inc bonded?

Yes. Zone 4 Construction Inc carries contractor's bond #SC6065743 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does Zone 4 Construction Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with OMAHA NATIONAL CASUALTY COMPANY, with a policy expiration of 01/01/2027.

How long has Zone 4 Construction Inc held its contractor license?

License #797500 was originally issued on 07/17/2001, approximately 25 years ago (as of July 2026).

Where is Zone 4 Construction Inc located?

Zone 4 Construction Inc is based in San Carlos, San Mateo County, CA 94070.