Mike Diamond Plumbing Heating & Air Conditioning
Los Angeles · Los Angeles County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Mike Diamond Plumbing Heating & Air Conditioning 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
- #399170 verify on CSLB ↗
- Classifications
- C-10, C-16, C-20, C-36, C-42
- Years licensed
- 45.4 years since 02/17/1981
- Contractor bond
- $25,000 MERCHANTS BONDING COMPANY (MUTUAL)
- Workers’ comp
- Current SECURITY NATIONAL INSURANCE COMPANY
- Business type
- Limited Liability
- Qualifying principal
- Michael Nathan Diamond
- Address of record
- 1808 Melhill Way, Los Angeles, CA 90049
Frequently Asked Questions
Is Mike Diamond Plumbing Heating & Air Conditioning a licensed HVAC contractor in California?
Yes. Mike Diamond Plumbing Heating & Air Conditioning holds California CSLB contractor license #399170 with a C-20 (Warm-Air Heating, Ventilating and Air-Conditioning) classification. Current CSLB status: CLEAR.
What work is Mike Diamond Plumbing Heating & Air Conditioning licensed to perform?
License #399170 carries C-20 (Warm-Air Heating, Ventilating and Air-Conditioning), plus additional classifications: C10, C16, C36, C42.
Is Mike Diamond Plumbing Heating & Air Conditioning bonded?
Yes. Mike Diamond Plumbing Heating & Air Conditioning carries contractor's bond #101897527 for $25,000 through MERCHANTS BONDING COMPANY (MUTUAL).
Does Mike Diamond Plumbing Heating & Air Conditioning carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with SECURITY NATIONAL INSURANCE COMPANY, with a policy expiration of 01/01/2027.
How long has Mike Diamond Plumbing Heating & Air Conditioning held its contractor license?
License #399170 was originally issued on 02/17/1981, approximately 45 years ago (as of July 2026).
Where is Mike Diamond Plumbing Heating & Air Conditioning located?
Mike Diamond Plumbing Heating & Air Conditioning is based in Los Angeles, Los Angeles County, CA 90049.