Updated: May 26, 2026
Location and Projects
Headquarters Address
3475 E FOOTHILL BLVD, Pasadena, CA, 91107
Local address
1736 4 Th Ave S Ste A , Seattle, WA, 98134
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Tetra Tech Architect
Tetra Tech, 1736-4 Th Ave S, Seattle, WA (Owned by: Batrack, Danny Lee) holds a Construction Contractor, Construction Contractor license and 16 other licenses according to the Washington license board.
Their BuildZoom score of 99 ranks in the top 15% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tetra Tech, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tetra Tech Services
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Tetra Tech Contact Information
Phone Number: (626) 470-2480
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Headquarters Address: 3475 E FOOTHILL BLVD, Pasadena, CA, 91107
Local Address: 1736 4 Th Ave S Ste A , Seattle, WA 98134
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Collect groundwater samples in gutter area near 1305 washington way
Valuation:
N/A
Permit #:
PWD2024-0255
Status:
complete
Fee:
$75
Permit Type:
N/A
Building Type:
Commercial-right ...
Lk fenwick park aerator building - alter (bb)
Valuation:
$20,529
Permit #:
CNST-2201759
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
King country metro transit - vehicle maint building
Valuation:
N/A
Permit #:
D19-0272
Status:
approved
Fee:
$21,202
Permit Type:
Comm/whse
Building Type:
N/A
King county metro transit
Valuation:
N/A
Permit #:
D18-0383
Status:
final
Fee:
$852
Permit Type:
Comm/whse
Building Type:
N/A
Construct new regulator station to pipeline and occupy per plan this permit (establish use and construct new regulator station to 84-inch diameter pipeline under lake washington ship canal to transmit wastewater; review and process 2 ap's under 6191803)
Valuation:
$10,650,000
Permit #:
6191803
Status:
Permit Issued
Fee:
$73,645
Permit Type:
Commercial
Building Type:
N/A
Alterations with mechanical alterations to all levels & first floor addition to the main operations building (north bldg) per plans. (addition & alterations to operations building. roof & mechanical alterations to operations fuel & wash bldgs. install five (5) temporary office trailers. review/processing for 4 ap's under # 6127178)
Valuation:
$536,253
Permit #:
6127178
Status:
Permit Closed
Fee:
$8,229
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
11-101701
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace and upgrade three (3) existing antennas and install two (2) new equipment cabinets. after system test three (3) existing antennas and three (3) cabinets will be removed
Valuation:
$20,000
Permit #:
TUM-13-0049
Status:
final
Fee:
$694
Permit Type:
N/A
Building Type:
N/A
Modify an existing telecommunications facility by swapping (3) existing panel antennas for (3) new panel antennas. also removing and replacing (2) exisitng cabinets for (2) new cabinets in the existing lease area. no ground disturbance and no increase to the tower height
Valuation:
$20,000
Permit #:
BLD12-0214
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
11-102487
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Swap out antennas and addition related equip for sprint spectrum
Valuation:
$20,000
Permit #:
B120310
Status:
complete
Fee:
$658
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
12-104553
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Bore/trench 375 from west side of brownsvill hwy adjacent to ne sipes ln to the south ending on the east side of brownsvill hwy for fiber otpics installation
Valuation:
N/A
Permit #:
12-103510
Status:
final
Fee:
$230
Permit Type:
N/A
Building Type:
N/A
Bore/trech 370 along north side of ne fairgrounds & tanbark dr ne. #2 - bore/trench 605 from north side of ne fairgrounds ending on south side of fairgrounds @ old military rd ne
Valuation:
N/A
Permit #:
12-103512
Status:
final
Fee:
$230
Permit Type:
N/A
Building Type:
N/A
Kitsap school dist fiber optics/place 42 anchors. 6 from old military to top of john carlson; 29 anchors from hwy 303 n on brownsvill hwy to illahee rd ne; 9 anchors from illahee rd to sandy rd for overhead line installation
Valuation:
N/A
Permit #:
12-103508
Status:
final
Fee:
$355
Permit Type:
N/A
Building Type:
N/A
Co-location of antennas: three 6 panel antennas and one future sector mounted on existing 140 monopole with new equipment cabinets on existing concrete pad - wa0450a
Valuation:
$38,740
Permit #:
B04C0071
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition of equipment onto the existing rooftop. equipment will be mounted on a new equipment platform. addition of antennas on a pole mounted antenna platform 20 above the existing roof. box 82
Valuation:
N/A
Permit #:
BLD00-00307
Status:
final
Fee:
$874
Permit Type:
N/A
Building Type:
N/A
King county metro - demolition
Valuation:
N/A
Permit #:
D18-0258
Status:
final
Fee:
$21,370
Permit Type:
Demolition
Building Type:
N/A
Closed as incomplete - expired permit interior alterations in the basement of the king county courthouse mechanical included per plans
Valuation:
$399,971
Permit #:
6091655
Status:
Permit Closed
Fee:
$5,598
Permit Type:
Institutional
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
12-105695
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Tetra Tech Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Tetra Tech License info
Verified License
| License # | TETRATE951JZ |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | AEC3085 |
| Status | Active |
| City | Tukwila |
| Type | Architect |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Tetra Tech with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | ARC-400800 |
| Status | Active |
| Nation | American Institute |
| Type | Architect |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of June, 2015. Check the current license status of Tetra Tech with the The American Institute of Architects
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATC971QF |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATC971QF |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Marysville, Washington, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATC888C2 |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATE951JZ |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATC971QF |
| Status | Inactive |
| City | Tukwila |
| Type | Contractor |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 664654 |
| Status | Inactive |
| City | Pasco |
| Business Type | Corporation |
- According to the The City of PASCO, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of PASCO, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4620 |
| Status | Inactive |
| City | Pasco |
| Type | Prof Architect |
| Business Type | Corporation |
- According to the The City of PASCO, WA, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the The City of PASCO, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATE919BO |
| Status | Inactive |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATE922LZ |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATE966JT |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | BASCOCL903KK |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRAI*990KM |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATC888C2 |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | TETRATB890NS |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Tetra Tech at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Insured
| Insurer | National Union Fire Ins Of Pa |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | Safeco Ins Co Of America |
| Bond Value | $12,000 |
43
Permits
- Building permit records show that Tetra Tech has worked on 43 permitted projects.
Tetra Tech Employees
AG
Amy Galan
Vice President
AB
Andrew Bolt
President
AS
Arkan Say
Vice President
BL
Batrack, Danny Lee
Owner
BS
Bryan Stirrat
President
CT
Carl Tippmann
Vice President
CS
Christopher Sutton
President
CS
Ct Corporation System
Owner
DC
Daniel Chow
Vice President
DB
Danny Batrack
Vice President
DK
David King
Treasurer
DR
Donald I Rogers
Vice President
DR
Donald Rogers
President
JJ
James Jaska
Vice President
KM
Kelly Mcgregor
Partner/Member
KC
Kevin Cramer
Vice President
LS
Larry Sevy
President
LH
Li Hwang
President
MN
Mark Isamu Nakatani
MW
Mark Walsh
President
MC
Michael Conaway
Vice President
ME
Michael Evans
Vice President
NS
Nicholas Spagnolo
Vice President
RL
Richard Lemmon
Secretary
RT
Richard Truly
Director
RF
Robert Finkle
Vice President
RJ
Robert Judovits
Vice President
RC
Ronald Chu
President
SB
Sam Box
Director
SB
Steven Burdick
Treasurer
TD
Thomas Delmastro
Treasurer
TD
Timothy Delaney
President
WB
William Brownlie
Director