California contractor license
SANDSTONE ENGINEERING INC
- A General Engineering
- B General Building
- C21 Building Moving, Demolition
- HAZ Hazardous Substances Removal
SANDSTONE ENGINEERING INC is a contractor with 4 license classifications, including A General Engineering and B General Building, in Oakley, Contra Costa County, licensed in California for 3 years (since 2023). As of Nov 14, 2025, the license is active with an expiration date of Oct 31, 2027 on record and a license bond is on file.
SANDSTONE ENGINEERING INCA General Engineering · B General Building · C21 Building Moving, Demolition · HAZ Hazardous Substances Removal · checked Nov 14, 2025
ActiveLicense number#1111309
Licensed sinceOct 12, 2023
Years licensed3 years
Expiration on recordOct 31, 2027
City and countyOakley, Contra Costa County
License bondOn file
ProjectsNone on file
Full record
Insurance, workers' comp, violations and permits.
Workers' comp, insurance policies, violations and full permit historyFree with your email. Shown on this page after you unlock.
LockedWorkers' compUnlock to view
Insurance policiesUnlock to view
Violations, complaints and disciplinary actionsUnlock to view
Full permit historyUnlock to view
5 free unlocks left today
Is this your business? Claim it free.
Claim your free profile to help keep your business details accurate. We'll verify you first.
Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Nov 14, 2025.