Mcmaster Mechanical
Diamond Bar · Los Angeles County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Mcmaster Mechanical 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
- #879152 verify on CSLB ↗
- Classifications
- C-20
- Years licensed
- 20.1 years since 06/10/2006
- Contractor bond
- $25,000 HUDSON INSURANCE COMPANY
- Workers’ comp
- Current CONTINENTAL CASUALTY COMPANY
- Business type
- Corporation
- Qualifying principal
- Bryan Jeffrey Heer
- Address of record
- 20903 Ambushers Street, Diamond Bar, CA 91765
Frequently Asked Questions
Is Mcmaster Mechanical a licensed HVAC contractor in California?
Yes. Mcmaster Mechanical holds California CSLB contractor license #879152 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Mcmaster Mechanical licensed to perform?
License #879152 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).
Is Mcmaster Mechanical bonded?
Yes. Mcmaster Mechanical carries contractor's bond #30122180 for $25,000 through HUDSON INSURANCE COMPANY.
Does Mcmaster Mechanical carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with CONTINENTAL CASUALTY COMPANY, with a policy expiration of 06/01/2027.
How long has Mcmaster Mechanical held its contractor license?
License #879152 was originally issued on 06/10/2006, approximately 20 years ago (as of July 2026).
Where is Mcmaster Mechanical located?
Mcmaster Mechanical is based in Diamond Bar, Los Angeles County, CA 91765.