License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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LAMMERS RALPH CONSTRUCTION INC
Owner: RALPH LAMMERS CONSTRUCTION INC
- License Number
- 667467
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- 1406 BARBIS WAY CONCORD, CA, 94518 Contra Costa County
- Phone
- (925) 352 7099
License Dates
Issued
03/18/1993
Expires
03/31/2028
Expires in 24 months
Reissued
02/14/2003
Inactivated
03/01/2015
Reactivated
03/16/2016
CSLB Last Updated
03/19/2026
License Classifications
Personnel & Officers
WITHERS-LAMMERS LESLEY JOY
Officer
KERBS BRANDON NORMAN
Officer
LAMMERS WALTER RALPH III
Responsible Managing Officer/Chief Executive Officer/President
Contractor Bond
Amount: $25,000
Company: AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond #100978978
Effective: 07/19/2025
Workers' Compensation
Carrier: TECHNOLOGY INSURANCE COMPANY INC
Policy #TES4623787
Effective: 05/22/2025
Expires: 05/22/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Building Permits
Source: LA City Open Data (LADBS)
otc alterations permit
131 Park St, 94110
remove lath and plaster drywall in kind. water damage repair. revision to permit #201204138285. remove windows, replace in kind. install new siding & trim @ rear bldg. not visible from street.
$14,000
2012-06-11
otc alterations permit
131 Park St, 94110
add house number 131 a to rear building of 131 park street, block 5718 lot 022.
$159
2012-04-27
otc alterations permit
131 Park St, 94110
remove lath and plaster replace drywall. all work in kind at 1st floor for water damage repair. rear building.
$8,000
2012-04-16
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