Updated: Aug 18, 2026
Location and Projects
Address
Seattle, WA, 98103
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Porowski, Slawomir Architect
Porowski, Slawomir, Seattle, WA holds a Architect license according to the Washington license board.
Their BuildZoom score of 93 ranks in the top 27% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Porowski, Slawomir, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Porowski, Slawomir Services
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Porowski, Slawomir Contact Information
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Porowski, Slawomir Seattle
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Porowski, Slawomir has a BuildZoom score of 93, which places them above 73% of 128,670 contractors in Washington.
Activity
|
2 projects
|
2025 |
Our building permit records indicate that Porowski, Slawomir has worked on at least
2.0 projects over the past year.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
< $5k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
New construction
Valuation:
N/A
Permit #:
124446
Status:
final
Fee:
$7,127
Permit Type:
New building
Building Type:
N/A
Addition/remodel
Valuation:
N/A
Permit #:
124445
Status:
final
Fee:
$2,501
Permit Type:
Addition and remodel
Building Type:
N/A
Construction permit
Change of use: three r-3 boarding houses to congregate housing plus one office building (b occupancy) to congregate housing
Valuation:
N/A
Permit #:
6387399-CN
Status:
applied
Fee:
N/A
Permit Type:
Add/alt
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PR2025-4168
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential misc. repair permit (this is only to be used when no other listed permit application app
2025-08-19
No Description Available
Valuation:
$500
Permit #:
2025-1222
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
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Verified License
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Porowski, Slawomir License info
Verified License
| License # | 4945 |
| Status | Active |
| State | Washington |
| Type | Architect |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Porowski, Slawomir at the Washington State Business Licensing .
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Porowski, Slawomir Employees
PS
Porowski, Slawomir
Owner