Tier One Mechanical Inc

Rancho Dominguez · Los Angeles County · CA

VERIFIED

Bestopedia verdict

86 / 100 Bestopedia Trust Score

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

License standing
30 / 30
Years licensed
5.6 / 20
Contractor bond
20 / 20
Workers' comp
20 / 20
Business structure
10 / 10

How the Trust Score is calculated →

The verified record

CSLB license
#1071811 verify on CSLB ↗
Classifications
C-16, C-20, C-36
Years licensed
5.6 years since 12/10/2020
Contractor bond
$25,000 LIBERTY MUTUAL INSURANCE COMPANY
Workers’ comp
Current FEDERAL INSURANCE COMPANY
Business type
Corporation
Qualifying principal
Jamie Scott Lusita, James Mark De Flavio
Address of record
18414 S Santa Fe Avenue, Rancho Dominguez, CA 90221

Frequently Asked Questions

Is Tier One Mechanical Inc a licensed HVAC contractor in California?

Yes. Tier One Mechanical Inc holds California CSLB contractor license #1071811 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.

What work is Tier One Mechanical Inc licensed to perform?

License #1071811 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C16, C36.

Is Tier One Mechanical Inc bonded?

Yes. Tier One Mechanical Inc carries contractor's bond #24248957 for $25,000 through LIBERTY MUTUAL INSURANCE COMPANY.

Does Tier One Mechanical Inc carry workers' compensation insurance?

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

How long has Tier One Mechanical Inc held its contractor license?

License #1071811 was originally issued on 12/10/2020, approximately 6 years ago (as of July 2026).

Where is Tier One Mechanical Inc located?

Tier One Mechanical Inc is based in Rancho Dominguez, Los Angeles County, CA 90221.