Advanced Underground Systems
Verified against CSLB on · View on CSLB
License details
- License number
- 879314
- Status
- Active
- Classifications
- A · General EngineeringC-42 · Sanitation System
- Contractor bond
- $25,000
- Workers' comp
- Exempt
- License term on file
- June 13, 2006 – June 30, 2028
Business
- (951) 634 7628 (CSLB public record)
- 2491 GRACE ST, Riverside, CA 92504Riverside County
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Frequently asked questions
Is Advanced Underground Systems licensed in California?
Yes. Advanced Underground Systems holds an active California state contractor license (CSLB #879314), verified against the CSLB public record on June 17, 2026.
What is Advanced Underground Systems's CSLB license number?
Advanced Underground Systems's California contractor license number is 879314. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=879314
What kind of work is Advanced Underground Systems licensed for?
Advanced Underground Systems is classified under General Engineering (A) by the CSLB.
How do I verify Advanced Underground Systems's license myself?
Look up license #879314 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=879314. This page reflects the CSLB public record as of June 17, 2026.
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.