National Construction Company Inc

El Cerrito · Contra Costa County · CA

VERIFIED

Bestopedia verdict

100 / 100 Bestopedia Trust Score

California’s contractor board lists National Construction Company 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
#517533 verify on CSLB ↗
Classifications
B, C-10, C-20, C-36, C-46
Years licensed
38.8 years since 09/11/1987
Contractor bond
$25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
Workers’ comp
Current STATE COMPENSATION INSURANCE FUND
Business type
Corporation
Qualifying principal
Shi Chung, Lok John Lok
Address of record
P O Box 1472, El Cerrito, CA 94530

Frequently Asked Questions

Is National Construction Company Inc a licensed HVAC contractor in California?

Yes. National Construction Company Inc holds California CSLB contractor license #517533 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is National Construction Company Inc licensed to perform?

License #517533 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C10, C36, C46.

Is National Construction Company Inc bonded?

Yes. National Construction Company Inc carries contractor's bond #100881032 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.

Does National Construction Company Inc carry workers' compensation insurance?

Yes. Workers' compensation insurance is on file with STATE COMPENSATION INSURANCE FUND, with a policy expiration of 11/25/2026.

How long has National Construction Company Inc held its contractor license?

License #517533 was originally issued on 09/11/1987, approximately 39 years ago (as of July 2026).

Where is National Construction Company Inc located?

National Construction Company Inc is based in El Cerrito, Contra Costa County, CA 94530.