Clear
TETRA TECH BAS INC
License
- Status
- CLEAR
- First issued
- June 28, 1989
- Expires
- June 30, 2027
- Entity
- Corporation
- Address of record
- 21700 COPLEY DR, Diamond Bar, CA 91765
- Phone of record
- (909) 860 7777
Contractor bond
- Surety
- FIDELITY AND DEPOSIT COMPANY OF MARYLAND
- Bond number
- 09318281
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- SAFETY NATIONAL CASUALTY CORPORATION
- Policy number
- LDC4068970
- Effective
- October 1, 2024
- Expires
- October 1, 2026
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
- C-57 Well Drilling Contractor
- HAZ Hazardous Substance Removal Certification
A contractor may only contract for work within their classifications.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| MC GREGOR KELLY PAUL | Responsible Managing Officer | February 2, 2017 | Current |
| WILLIAMS JEFFREY MILES | Officer | September 1, 2015 | Current |
| KNOWLES ARTHUR RAYMOND | Responsible Managing Employee | April 12, 1990 | October 26, 1995 |
| KNOWLES ARTHUR RAYMOND | Responsible Managing Employee | January 22, 1993 | October 26, 1995 |
| MC GREGOR KELLY PAUL | Responsible Managing Employee | June 23, 2011 | February 2, 2017 |
| MC GREGOR KELLY PAUL | Responsible Managing Employee | May 9, 2011 | February 2, 2017 |
| SCHRANDT EDWARD | Officer | June 28, 1989 | June 1, 1999 |
| SNYDER IRA ROBERT | Officer | June 5, 1997 | June 1, 2015 |
| STIRRAT BRYAN ALEXANDER | Responsible Managing Officer/Chief Executive Officer/President | August 27, 1999 | January 1, 2004 |
| STIRRAT BRYAN ALEXANDER | Responsible Managing Officer/Chief Executive Officer/President | October 26, 1995 | May 9, 2011 |
| STIRRAT BRYAN ALEXANDER | Responsible Managing Officer/Chief Executive Officer/President | December 13, 1995 | May 9, 2011 |
| STIRRAT BRYAN ALEXANDER | Chief Executive Officer/President | May 9, 2011 | March 4, 2020 |
| STIRRAT BRYAN ALEXANDER | Chief Executive Officer/President | June 28, 1989 | October 26, 1995 |
| STIRRAT JEANNE | Officer | June 28, 1989 | March 4, 2020 |
| VUNAK FRED LAWRENCE | Responsible Managing Employee | June 28, 1989 | July 21, 1989 |
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.