Sandstone Environmental Engineering INC, A General Engineering Contractor in Oakley, CA
Sandstone Environmental Engineering INC operating as a corporation holds an active California contractor license (CSLB #878348), valid through Jul 31, 2026. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-12 Earthwork and Paving Contractor, C-21 Building Moving / Demolition Contractor, and C-22 Asbestos Abatement Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Oakley, in Contra Costa County, California.
- License Number
- 878348
- Issued
- May 24, 2006
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 66985704
- Effective
- Jul 27, 2024
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 1972485
- Effective
- Jul 26, 2025
- Expires
- Jul 26, 2026
This contractor warrants a closer look before contracting:
- License expires in 33 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sandstone Environmental Engineering INC licensed in California?
Yes. Sandstone Environmental Engineering INC holds California Contractors State License Board license number 878348, which is active and in good standing. The license was first issued on May 24, 2006. It is valid through July 31, 2026.
What does Sandstone Environmental Engineering INC specialize in?
Sandstone Environmental Engineering INC is licensed for 5 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-12 Earthwork and Paving Contractor, C-21 Building Moving / Demolition Contractor, and C-22 Asbestos Abatement Contractor.
Where is Sandstone Environmental Engineering INC headquartered?
Sandstone Environmental Engineering INC is headquartered at P O Box 1049, Oakley, CA 94561, in Contra Costa County, California.
Does Sandstone Environmental Engineering INC have an active surety bond on file with CSLB?
Yes. Sandstone Environmental Engineering INC has an active California contractor surety bond filed with Western Surety Company.
Does Sandstone Environmental Engineering INC carry workers' compensation coverage?
Yes. Sandstone Environmental Engineering INC carries active workers' compensation coverage through State Compensation Insurance Fund.
How do I verify Sandstone Environmental Engineering INC's contractor license?
You can verify Sandstone Environmental Engineering INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=878348.
- License issuedMay 24, 2006
- Bond activeJul 27, 2024
- WC coverage startsJul 26, 2025
- WC expiresJul 26, 2026
- License expiresJul 31, 2026
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