MIKE DIAMOND PLUMBING HEATING & AIR CONDITIONING
License
- Status
- CLEAR
- First issued
- February 17, 1981
- Reissued
- June 25, 2026
- Expires
- June 30, 2028
- Entity
- Limited Liability
- Address of record
- PO BOX 4982, Culver City, CA 90231
- Phone of record
- (310) 838 0408
Contractor bond
- Surety
- MERCHANTS BONDING COMPANY (MUTUAL)
- Bond number
- 101897527
- Amount
- $25,000
- Effective
- June 25, 2026
Workers’ compensation
- Carrier
- SECURITY NATIONAL INSURANCE COMPANY
- Policy number
- SWC1618842
- Effective
- January 1, 2026
- Expires
- January 1, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- C-10 Electrical Contractor
- C-16 Fire Protection Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- C-42 Sanitation System Contractor
A contractor may only contract for work within their classifications. See all 26 licensed electrical contractors in Culver City.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| DIAMOND MICHAEL NATHAN | Responsible Managing Member | June 25, 2026 | Current |
| DIAMOND DAVE | Officer | February 17, 1981 | September 3, 2010 |
| DIAMOND DAVE | Deceased | September 3, 2010 | September 3, 2010 |
| DIAMOND GOLDYNE | Officer | February 17, 1981 | March 14, 2019 |
| DIAMOND GOLDYNE | Deceased | March 14, 2019 | March 14, 2019 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | June 22, 2000 | January 1, 2004 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | May 12, 2011 | June 5, 2026 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | July 15, 2011 | June 5, 2026 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | February 17, 1981 | May 28, 1982 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | February 17, 1981 | June 5, 2026 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | February 7, 1984 | June 5, 2026 |
| DIAMOND MICHAEL NATHAN | Responsible Managing Officer/Chief Executive Officer/President | December 28, 1989 | June 5, 2026 |
Verified status badge
Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.
<a href="https://bookofbuilders.com/license/399170" target="_blank" rel="noopener">
<img src="https://bookofbuilders.com/badge/399170.svg" alt="MIKE DIAMOND PLUMBING HEATING & AIR CONDITIONING — California contractor license #399170 status, verified against CSLB records" width="268" height="76">
</a>The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.