Tetra Tech Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 551555
- Status
- Active
- Classifications
- A · General EngineeringHAZ · Hazardous Substance Removal Certification
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- December 16, 1988 – December 31, 2026
Business
- (626) 351 4664 (CSLB public record)
- 3475 E FOOTHILL BLVD, Pasadena, CA 91107Los Angeles County
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Frequently asked questions
Is Tetra Tech Inc licensed in California?
Yes. Tetra Tech Inc holds an active California state contractor license (CSLB #551555), verified against the CSLB public record on June 17, 2026.
What is Tetra Tech Inc's CSLB license number?
Tetra Tech Inc's California contractor license number is 551555. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=551555
What kind of work is Tetra Tech Inc licensed for?
Tetra Tech Inc is classified under General Engineering (A) by the CSLB.
How do I verify Tetra Tech Inc's license myself?
Look up license #551555 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=551555. 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.