PREFERRED PLUMBING & DRAIN
License
- Status
- CLEAR
- First issued
- October 26, 2004
- Expires
- October 31, 2026
- Entity
- Corporation
- Address of record
- 5600 IMHOFF DR STE C, Concord, CA 94520
- Phone of record
- (925) 677 0900
Contractor bond
- Surety
- MERCHANTS BONDING COMPANY (MUTUAL)
- Bond number
- 101486094
- Amount
- $25,000
- Effective
- May 15, 2025
Workers’ compensation
- Carrier
- EMPLOYERS ASSURANCE COMPANY
- Policy number
- EIG564340801
- 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 contractor may only contract for work within their classifications. See all 65 licensed plumbing contractors in Concord.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| DOLLARHIDE THOMAS MARTIN | Responsible Managing Officer | June 20, 2011 | Current |
| GRAVES KATHLEEN MARIE | Chief Executive Officer/President | October 26, 2004 | Current |
| HARE WILLIAM JAY | Responsible Managing Employee | August 1, 2016 | Current |
| AGOL MICHAEL ALLEN | Responsible Managing Officer | November 5, 2008 | July 7, 2010 |
| AGOL MICHAEL ALLEN | Responsible Managing Officer | September 22, 2011 | June 30, 2016 |
| BLOOM ROBERT ARTHUR | Responsible Managing Officer | February 14, 2006 | October 1, 2008 |
| CHAMBERS WILLIAM EDWARD | Responsible Managing Officer | May 15, 2009 | May 20, 2010 |
| CORMACK NOEL DAVID | Responsible Managing Officer | July 7, 2010 | August 25, 2011 |
| GOULD FRANK WAYNE | Responsible Managing Officer | October 26, 2004 | December 16, 2005 |
Verified status badge
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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.