Updated: Aug 11, 2026
Location and Projects
Address
PO BOX 4180, Pasco, WA, 99302
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ECS Northwest Construction
ECS Northwest LLC, Pasco, Po Box 4180, Pasco, WA (Owned by: Seeliger, Jeremy Edward) holds a Construction Contractor, General license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 94 ranks in the top 24% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ECS Northwest LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
ECS Northwest LLC Services
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ECS Northwest LLC Contact Information
Phone Number: (509) 430-8788
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Address: PO BOX 4180, Pasco, WA 99302
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Office remodel
Valuation:
$12,500
Permit #:
B12-1989
Status:
final
Fee:
$373
Permit Type:
Major alter/repair
Building Type:
N/A
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Verified License
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ECS Northwest LLC License info
License Not Verified
| License # | ECSNOCS896OG |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of ECS Northwest LLC 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 # | ECSNOL*991R4 |
| Status | Active |
| City | Tukwila |
| Type | Electrical Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of January, 2026. Check the current license status of ECS Northwest LLC with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | ECSNOL*991R4 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, Electrical Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for ECS Northwest LLC 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 # | ECSNOCS896OG |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for ECS Northwest LLC 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 # | ECSNOL 991R4 |
| Status | Active |
| State | Washington |
| Type | Electrical Contractor, General |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of January, 2018. Check the current license status of ECS Northwest LLC with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 14477 |
| Status | Inactive |
| City | Pasco |
| Type | Contr General |
| Business Type | Limited Liability Company |
- 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 ECS Northwest LLC at the The City of PASCO, WA.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | American Hallmark Ins Co Of Te |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Travelers Cas & Surety Co Of America |
| Bond Value | $12,000 |
ECS Northwest LLC Employees
EW
Everett Wray
Partner/Member
JS
Jeremy Seeliger
Partner/Member
MN
Matthew Naef
Partner/Member
NM
Naef, Matthew
Partner/Member
SW
Sandra Wray
Partner/Member
SJ
Seeliger, Jeremy
Partner/Member
SE
Seeliger, Jeremy Edward
Owner
WE
Wray, Everett
Partner/Member