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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CORNERSTONE CONSTRUCTION
DBA: CORNERSTONE CONSTRUCTION & MASONRY
- License Number
- 986270
- State
- California
- Status
- active
- Business Type
- Corporation
- Address
- PO BOX 6056 EUREKA, CA, 95502 Humboldt County
- Phone
- (707) 834 2326
License Dates
Issued
08/23/2013
Expires
06/30/2027
Expires in 15 months
Reissued
06/27/2019
CSLB Last Updated
08/08/2025
License Classifications
Personnel & Officers
LENHOFF WILLIAM THOMAS
Responsible Managing Officer/Chief Executive Officer/President
LENHOFF KATHLEEN LOUISE
Officer
Contractor Bond
Amount: $25,000
Company: BUSINESS ALLIANCE INSURANCE COMPANY
Bond #G100629220544
Effective: 01/01/2023
Workers' Compensation
Carrier: EVEREST PREMIER INSURANCE COMPANY
Policy #7600026032251
Effective: 08/06/2025
Expires: 08/06/2026
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.
Verify this record on the official state licensing board
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.