CA #722253 Active

Cornerstone Environmental Contractors Inc

Concord, CA

Business Information

Address
Po Box 5127, Concord, CA 94524
Phone
(925) 299 9225
Type
Corporation

License Status

Status
Active
Issued
May 2, 1996
Expires
May 31, 2028
Classifications
A General Engineering Contractor C10 Electrical D21 Machinery and Pumps

Workers Compensation

Insurer
Oak River Insurance Company
Effective
Mar 29, 2026
Expires
Mar 29, 2027

Contractor's Bond

Bond #
SC6300342
Amount
$25,000
Effective
Jan 1, 2023
Surety
American Contractors Indemnity Company

License History

Classification removed

Jun 6, 2026
− Hazardous Substance Removal (HAZ)

License data updated

Jun 6, 2026
Pending Class Removal
05/26/2026 → —

Business address updated

Jun 3, 2026
Mailing Address
P O BOX 5127 → PO BOX 5127

License renewed

May 20, 2026

Expiration Date: 2026-05-31 2028-05-31

Renewal received

May 16, 2026
Secondary Status
Class Removal Pending → Class Removal Pending| Renewal Recived

Workers' comp renewed

Apr 1, 2026
Workers Comp Policy Number
COWC667825 → COWC771447
Workers Comp Effective Date
2025-03-29 → 2026-03-29
Workers Comp Expiration Date
2026-03-29 → 2027-03-29
Workers Comp Insurance Company
BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPANY → OAK RIVER INSURANCE COMPANY

Classification removal pending

Mar 18, 2026

Secondary Status: Class Removal Pending

License data updated

Mar 18, 2026
Pending Class Removal
05/26/2026

Workers' comp renewed

Apr 2, 2025
Workers Comp Policy Number
WCA02868515 → COWC667825
Workers Comp Effective Date
2024-03-29 → 2025-03-29
Workers Comp Expiration Date
2025-03-29 → 2026-03-29
Workers Comp Insurance Company
GREAT DIVIDE INSURANCE COMPANY → BERKSHIRE HATHAWAY HOMESTATE INSURANCE COMPANY

License renewed

May 8, 2024

Expiration Date: 2024-05-31 2026-05-31

Renewal received

May 7, 2024
Secondary Status
Renewal Recived

Workers' comp renewed

May 7, 2024
Workers Comp Policy Number
WCA202868514 → WCA02868515
Workers Comp Effective Date
2023-03-29 → 2024-03-29
Workers Comp Expiration Date
2024-03-29 → 2025-03-29

License issued

May 2, 1996