License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
WC exempt
No employees — exempt from requirement
Clean record
No complaints or disciplinary actions
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CORNERSTONE CONSTRUCTION
- License Number
- 1044251
- State
- California
- Status
- active
- Business Type
- Sole Owner
- Address
- 1160 BRICKYARD COVE RDSTE 200 RICHMOND, CA, 94801 Contra Costa County
- Phone
- (510) 712 5249
License Dates
Issued
09/13/2018
Expires
09/30/2026
Expires in 6 months — verify renewal before long contracts
CSLB Last Updated
05/21/2025
License Classifications
Personnel & Officers
BOONE ONAJE TIMOTHY
Sole Owner
Contractor Bond
Amount: $25,000
Company: NATIONWIDE MUTUAL INSURANCE COMPANY
Bond #7901245763
Effective: 03/28/2025
Workers' Compensation
Owner/officer with no employees — exempt from WC requirement
CSLB designation: Exempt
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)
additions alterations or repairs
283 Parker Av, 94118
convert 428 sf storage room at the ground floor to adu.
$165,313
2026-02-09
otc alterations permit
4057 22nd St, 94114
replace roofing in-kind above garage only. repair exterior small 7 step staircase in-kind less than 50%. repair not visible from the street.
$10,000
2023-01-05
otc alterations permit
1931 Jones St, 94133
unit #1931b: kitchen and bathroom remodel with new cabinets, countertops, fixtures, and finishes
$20,000
2020-12-17
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.
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