TETRA TECH INC (WA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $47.92M
- $47,921,152under this UEI
- FY2026 obligations
- -$1.84M†
- -$1,843,705Provisional
- Awards and orders
- 187
- with positive net obligations10 IDV vehicles held
- Latest action
- Jul 17, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 2, 2027
Registration
- Doing business as
- TETRA TECH
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Feb 1, 1988 (38 years)
- Location
- Seattle, WA
- State of incorporation
- Delaware
† FY2026 obligations (provisional; DoD awards signed after Jul 26, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 26, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI FN3KJ67ZG226. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2026: -$1,843,705 (de-obligation) (provisional)
- FY2025: $4,516,924
- FY2024: $1,791,307
- FY2023: $3,589,369
- FY2022: $136,257
- FY2021: $1,794,951
- FY2020: $2,382,538
- FY2019: $5,188,866
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $1,195,183
- FY2017: $2,960,216
- FY2016: $3,530,650
- FY2015: $1,383,700
- FY2014: $4,396,908
- FY2013: $1,816,662
- FY2012: $3,194,293
- FY2011: $3,049,194
- FY2010: $4,677,307
- FY2009: $1,793,519
- FY2008: $2,367,014
Total across 19 fiscal years: $47,921,152
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$37,589,533, 78.4%
- Department of Agriculture$10,331,619, 21.6%
Top awarding sub-agencies
- Department of the Army$37,589,533, 78.4%
- Natural Resources Conservation Service$9,782,408, 20.4%
- Forest Service$538,905, 1.1%
Top NAICS by obligations
- 541330Engineering services$47,334,956, 98.8%
- 541618Other management consulting services$213,109, 0.4%
- 541620Environmental consulting services$149,150, 0.3%
Top product and service codes by obligations
- C219Architect and engineering- general: other$36,937,920, 77.1%
- C1PZArchitect and engineering- construction: other non-building facilities$6,198,536, 12.9%
- C220Architect and engineering- general: structural engineering$1,586,080, 3.3%
- C1KAArchitect and engineering- construction: dams$1,102,027, 2.3%
- R404Support- professional: land surveys-cadastral (non-construction)$693,840, 1.4%
Capabilities
NAICS codes
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- W912DW24F2021Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W911KB22D0002Indefinite delivery contract (IDC)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- W912DW26PA072Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W911KB26FA001Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W911KB24F0060Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W912DW24F2000Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W911KB25F0020Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W9127N24F0054Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W912DW21F2035Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
- W912DW23F2044Delivery orderunder an indefinite delivery contract (IDC)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TETRA TECH INC lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
2003 WESTERN AVE STE 700
SEATTLE, WA, 98121
USA
Mailing Address
2003 WESTERN AVE STE 700
SEATTLE, WA, 98121
USA
Government Business Contact
MARK WILLIAMS
1420 5TH AVENUE SUITE 650
SEATTLE, WA, 98101
USA
Electronic Business Contact
KRISTI CLEMENS
400 112TH AVE NE STE 300
BELLEVUE, WA, 98004
USA
Past Performance Contact
PATTI SEXTON
17885 VON KARMAN AVE
SUITE 550
IRVINE, CA, 92614
USA
Government Business Alternate Contact
BARBARA PETERSEN
3475 E FOOTHILL BLVD
PASADENA, CA, 91107
USA
Electronic Business Alternate Contact
ERIN WALTON
1420 5TH AVENUE SUITE 650
SEATTLE, WA, 98101
USA
Past Performance Alternate Contact
0002 541330NNNN~541715NNNN N
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E&Y
Additional Details
As of . Source: SAM.gov Entity Registration.
TETRA TECH INC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 2, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — Nationwide
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District