MARIN H20 INC
License
- Status
- CLEAR
- First issued
- June 2, 2004
- Reissued
- January 20, 2005
- Expires
- January 31, 2027
- Entity
- Corporation
- Address of record
- 40 PAUL DRIVE, San Rafael, CA 94903
- Phone of record
- (415) 716 2079
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 101037470
- Amount
- $25,000
- Effective
- January 11, 2026
Workers’ compensation
- Carrier
- INDEMNITY INSURANCE COMPANY OF NORTH AMERICA
- Policy number
- C7405822A
- Effective
- October 1, 2025
- Expires
- October 1, 2026
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
- A General Engineering Contractor
- B General Building Contractor
- C-36 Plumbing Contractor
- C-55 Water Conditioning Contractor
A contractor may only contract for work within their classifications. See all 52 licensed plumbing contractors in San Rafael.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| WILLIAMS RICHARD WALTON III | Responsible Managing Officer/Chief Executive Officer/President | January 20, 2005 | Current |
| WILLIAMS RICHARD WALTON III | Responsible Managing Officer/Chief Executive Officer/President | July 25, 2016 | Current |
| WILLIAMS RICHARD WALTON III | Responsible Managing Officer/Chief Executive Officer/President | August 6, 2024 | Current |
| WILLIAMS RICHARD WALTON III | Sole Owner | June 2, 2004 | January 20, 2005 |
| WILLIAMS RICHARD WALTON III | Sole Owner | October 14, 2004 | January 20, 2005 |
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/839817" target="_blank" rel="noopener">
<img src="https://bookofbuilders.com/badge/839817.svg" alt="MARIN H20 INC — California contractor license #839817 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.