M-23 Mechanical Systems
Danville · Contra Costa County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists M-23 Mechanical Systems in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 4.7 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1083192 verify on CSLB ↗
- Classifications
- C-20
- Years licensed
- 4.7 years since 11/01/2021
- Contractor bond
- $25,000 MERCHANTS BONDING COMPANY (MUTUAL)
- Workers’ comp
- Current AMTRUST INSURANCE COMPANY
- Business type
- Corporation
- Qualifying principal
- Edmund Siu Yin Chan
- Address of record
- 3470 Fostoria Wy Ste D, Danville, CA 94526
Frequently Asked Questions
Is M-23 Mechanical Systems a licensed HVAC contractor in California?
Yes. M-23 Mechanical Systems holds California CSLB contractor license #1083192 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is M-23 Mechanical Systems licensed to perform?
License #1083192 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning).
Is M-23 Mechanical Systems bonded?
Yes. M-23 Mechanical Systems carries contractor's bond #101643381 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).
Does M-23 Mechanical Systems carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with AMTRUST INSURANCE COMPANY, with a policy expiration of 05/01/2027.
How long has M-23 Mechanical Systems held its contractor license?
License #1083192 was originally issued on 11/01/2021, approximately 5 years ago (as of July 2026).
Where is M-23 Mechanical Systems located?
M-23 Mechanical Systems is based in Danville, Contra Costa County, CA 94526.