Updated: May 12, 2026
Location and Projects
Address
PO Box 840, Silverdale, WA, 98383
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Northwest Power Services Construction
Northwest Power Services Inc, Silverdale, Po Box 840, Silverdale, WA (Owned by: Slowey, Lee Alan) holds a Construction Contractor, Construction Contractor license and 1 other license 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 Northwest Power Services Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Northwest Power Services Inc Services
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Northwest Power Services Inc Contact Information
Phone Number: (360) 620-6427
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Address: PO Box 840, Silverdale, WA 98383
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Building Permits by Northwest Power Services Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Moreland - install new gas piping from an existing lp tank to new generator
Valuation:
$47,000
Permit #:
21-05646
Status:
final
Fee:
$211
Permit Type:
N/A
Building Type:
Residential
Coombs - install new lp tank gas piping and 22kw generac generator
Valuation:
$7,659
Permit #:
21-00848
Status:
final
Fee:
$211
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
22-02831
Status:
issued
Fee:
$211
Permit Type:
N/A
Building Type:
Residential
Installation of generator and gas piping
Valuation:
N/A
Permit #:
903011
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New generator and fuel system
Valuation:
N/A
Permit #:
BLD28421
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
19-03451
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
19-02561
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
16-00306
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
15-00791
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Installing new 25kw generator
Valuation:
N/A
Permit #:
BLD20509
Status:
complete
Fee:
$116
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
16-02443
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
16-03362
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
BLD21276
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Installing new 22 kw generator
Valuation:
N/A
Permit #:
BLD23028
Status:
expired
Fee:
$66
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
BLD21792
Status:
expired
Fee:
$131
Permit Type:
N/A
Building Type:
Residential
No Description Available
Valuation:
N/A
Permit #:
BLD24558
Status:
expired
Fee:
$57
Permit Type:
N/A
Building Type:
Residential
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Northwest Power Services Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Northwest Power Services Inc License info
Verified License
| License # | NORTHPS889JK |
| 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 Northwest Power Services 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 # | NORTHPS889JK |
| 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 Northwest Power Services Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Wesco Insurance Co |
| Bond Value | $12,000 |
16
Permits
- Building permit records show that Northwest Power Services Inc has worked on 16 permitted projects.
Northwest Power Services Inc Employees
HR
Hans Rauth
President
LS
Lee Slowey
President
SA
Slowey, Lee Alan
Owner