National Construction
Hawthorne · Los Angeles County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists National Construction 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
The verified record
- CSLB license
- #423142 verify on CSLB ↗
- Classifications
- B, C-10, C-20, C-36, C-38
- Years licensed
- 44.2 years since 05/06/1982
- Contractor bond
- $25,000 MERCHANTS BONDING COMPANY (MUTUAL)
- Workers’ comp
- Current OAK RIVER INSURANCE COMPANY
- Business type
- Corporation
- Qualifying principal
- Isaac Zaharoni
- Address of record
- 5400 Rosecrans Avenue, Hawthorne, CA 90250
Frequently Asked Questions
Is National Construction a licensed HVAC contractor in California?
Yes. National Construction holds California CSLB contractor license #423142 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is National Construction licensed to perform?
License #423142 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: B, C10, C36, C38.
Is National Construction bonded?
Yes. National Construction carries contractor's bond #101712313 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).
Does National Construction carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with OAK RIVER INSURANCE COMPANY, with a policy expiration of 01/01/2027.
How long has National Construction held its contractor license?
License #423142 was originally issued on 05/06/1982, approximately 44 years ago (as of July 2026).
Where is National Construction located?
National Construction is based in Hawthorne, Los Angeles County, CA 90250.