Clear
LAMMERS RALPH CONSTRUCTION INC
License
- Status
- CLEAR
- First issued
- March 18, 1993
- Reissued
- February 14, 2003
- Expires
- March 31, 2028
- Entity
- Corporation
- Address of record
- 1406 BARBIS WAY, Concord, CA 94518
- Phone of record
- (925) 352 7099
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 100978978
- Amount
- $25,000
- Effective
- July 19, 2025
Workers’ compensation
- Carrier
- SECURITY NATIONAL INSURANCE COMPANY
- Policy number
- SNS1640786
- Effective
- May 22, 2026
- Expires
- May 22, 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
A contractor may only contract for work within their classifications. See all 531 licensed general building contractors in Concord.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| KERBS BRANDON NORMAN | Officer | February 14, 2003 | Current |
| LAMMERS WALTER RALPH III | Responsible Managing Officer/Chief Executive Officer/President | February 14, 2003 | Current |
| WITHERS-LAMMERS LESLEY JOY | Officer | February 14, 2003 | Current |
| LAMMERS WALTER RALPH III | Responsible Managing Officer/Chief Executive Officer/President | February 14, 2003 | January 1, 2004 |
| LAMMERS WALTER RALPH III | Sole Owner | March 18, 1993 | February 14, 2003 |
| LAMMERS WALTER RALPH III | Sole Owner | October 12, 1999 | February 14, 2003 |
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.