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Contractor Lookout is an independent website, not affiliated with CSLB or the State of California. This record comes from CSLB's public data file dated November 1, 2026 and may be out of date. Not a consumer report under the FCRA.

Sandstone Environmental Engineering INC: CSLB License #878348

Source: CSLB public data · Updated November 1, 2026 · Official CSLB record

Active, no issues in CSLB file

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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.

License details

License number
878348
Primary status
CLEAR · what this means
Business type
Corporation
Issued
May 24, 2006 (20 years)
Reissued
July 27, 2018
Expires
July 31, 2028
Classifications
A General Engineering Contractor
ASB Asbestos Certification
B General Building Contractor
C-12 Earthwork and Paving Contractors
C-21 Building Moving/Demolition Contractor
C-22 Asbestos Abatement Contractor
HAZ Hazardous Substance Removal Certification
Asbestos registration
R
Mailing address
P O Box 1049, Oakley, CA, 94561
Phone
(510) 334 7932

Workers' compensation

Type
Workers' Compensation Insurance
Insurer
State Compensation Insurance Fund
Policy number
9407967
Effective
August 25, 2026
Expires
July 26, 2027

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Contractor's bond

Surety
Western Surety Company
Bond number
66985704
Amount
$25,000
Effective
July 27, 2024

Status history

No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.

Related

Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.