Clear
SANDSTONE ENVIRONMENTAL ENGINEERING INC
License
- Status
- CLEAR
- First issued
- May 24, 2006
- Reissued
- July 27, 2018
- Expires
- July 31, 2028
- Entity
- Corporation
- Address of record
- P O BOX 1049, Oakley, CA 94561
- Phone of record
- (510) 334 7932
Contractor bond
- Surety
- WESTERN SURETY COMPANY
- Bond number
- 66985704
- Amount
- $25,000
- Effective
- July 27, 2024
Workers’ compensation
- Carrier
- STATE COMPENSATION INSURANCE FUND
- Policy number
- 9407967
- Effective
- August 25, 2026
- Expires
- August 25, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- A General Engineering Contractor
- ASB Asbestos Certification
- B General Building Contractor
- C-12 Earthwork and Paving Contractor
- C-21 Building Moving / Demolition Contractor
- C-22 Asbestos Abatement Contractor
- HAZ Hazardous Substance Removal Certification
A contractor may only contract for work within their classifications. See all 5 licensed earthwork and paving contractors in Oakley.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | July 27, 2018 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | October 5, 2018 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | October 31, 2018 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | November 19, 2018 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | November 27, 2018 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | June 19, 2019 | Current |
| CASTILLO MARTIN | Responsible Managing Officer/Chief Executive Officer/President | April 23, 2026 | Current |
| CASTILLO MARTIN | Sole Owner | May 24, 2006 | July 27, 2018 |
| CASTILLO MARTIN | Sole Owner | October 1, 2010 | July 27, 2018 |
| CASTILLO MARTIN | Sole Owner | February 18, 2011 | July 27, 2018 |
| CASTILLO MARTIN | Sole Owner | May 18, 2018 | July 27, 2018 |
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.