Contractor License Proof

Sandstone Environmental Engineering Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
878348
Status
Active
Classifications
A · General EngineeringASB · Asbestos CertificationB · General BuildingC-12 · Earthwork and PavingC-21 · Building Moving/DemolitionC-22 · Asbestos AbatementHAZ · Hazardous Substance Removal Certification
Contractor bond
$25,000
Workers' comp
Covered
License term on file
May 24, 2006 – July 31, 2026

Business

  • (510) 334 7932 (CSLB public record)
  • P O BOX 1049, Oakley, CA 94561Contra Costa County

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Frequently asked questions

Is Sandstone Environmental Engineering Inc licensed in California?

Yes. Sandstone Environmental Engineering Inc holds an active California state contractor license (CSLB #878348), verified against the CSLB public record on June 17, 2026.

What is Sandstone Environmental Engineering Inc's CSLB license number?

Sandstone Environmental Engineering Inc's California contractor license number is 878348. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Sandstone Environmental Engineering Inc licensed for?

Sandstone Environmental Engineering Inc is classified under General Engineering (A), Asbestos Certification (ASB), General Building (B), Earthwork and Paving (C-12), Building Moving/Demolition (C-21), Asbestos Abatement (C-22), and Hazardous Substance Removal Certification (HAZ) by the CSLB.

How do I verify Sandstone Environmental Engineering Inc's license myself?

Look up license #878348 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #878348 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.