Updated: May 27, 2026
Location and Projects
Address
900 SW 16TH STREET STE 330, Renton, WA, 98057
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Ahtna Environmental Construction
Ahtna Environmental Inc provides environmental contracting services to public and private sector clients throughout Washington and the Pacific Northwest. Based in Renton, the firm specializes in site assessment, remediation, hazardous materials management, and environmental consulting. Portfolio projects include contaminated site cleanups, environmental investigations, and regulatory compliance support for federal, state, and local agencies. Ahtna Environmental also offers construction management for environmental restoration and infrastructure projects, and is experienced in waste removal, soil remediation, and groundwater treatment. Serving industries such as transportation, utilities, and government, the company addresses complex sites impacted by hazardous substances or petroleum products. Their team applies current environmental regulations and best practices to support sustainable site development and risk management.
Ahtna Environmental Inc Services
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Ahtna Environmental Inc Contact Information
Phone Number: (509) 943-1505
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Address: 900 SW 16TH STREET STE 330, Renton, WA 98057
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Building Permits by Ahtna Environmental Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Fema tenant improvement - minor tenant improvement to suite 400 on level 4 of the existing building. the work includes demolition of non-load bearing walls doors removal partition and painting. construction includes walls doors finishes reuse of existing doors and installation of new light switches/outlets. no structural elemen impacted
Valuation:
$76,936
Permit #:
BTI-032481-2022
Status:
issued
Fee:
$1,798
Permit Type:
Remodel
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ahtna Environmental Inc License info
License Not Verified
| License # | AHTNAES890KS |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of November, 2025. Check the current license status of Ahtna Environmental Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AHTNAIT785OM |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ahtna Environmental Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AHTNAIT785OM |
| 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 Ahtna Environmental Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AHTNAGL814DR |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Ahtna Environmental Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | AHTNAES890KS |
| 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 Ahtna Environmental Inc 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 # | AHTNAEI888PT |
| 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 Ahtna Environmental Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AHTNAGL814DR |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| 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 Ahtna Environmental Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F162151-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation, Evaluation (Dust Sampling Technician) |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Ahtna Environmental Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F194374-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Ahtna Environmental Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F162151-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Evaluation (Dust Sampling Technician), Renovation |
| Business Type | Corporation |
- According to the United States Environmental Protection Agency, 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 Ahtna Environmental Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | AHTNAES931J7 |
| 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 Ahtna Environmental Inc 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 # | AHTNAGS933J7 |
| 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 Ahtna Environmental Inc 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 # | AHTNAEI888PT |
| 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 Ahtna Environmental Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Evanston Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | International Fidelity Ins Co |
| Bond Value | $12,000 |
Ahtna Environmental Inc Employees
BW
Bernard Wong
Agent
CS
Christopher Smith
Partner/Member
DF
David Fehrenbach
Treasurer
ED
Eleanor Dementi
Partner/Member
FB
Finnigan, Timothy Bernard
Owner
GJ
Geneiveve John
Member
JD
John Dye
Partner/Member
JC
Johnny Craig
Member
KN
Krystal Nelson
President
RP
Roy Phares
Vice President
TM
Thomas Maloney
Chief Financial Officer
TF
Timothy Finnigan
President
TG
Timothy Gould
Partner/Member
WL
Wong, Bernard Bong Lap
Owner