Updated: Jun 23, 2026
Location and Projects
Address
Seattle, WA, 98115
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Olson, Donald S Architect
Olson, Donald S, Seattle, WA holds a Landscape Architect license and 2 other licenses according to the Washington 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 Olson, Donald S, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Olson, Donald S Services
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Olson, Donald S Contact Information
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Olson, Donald S Seattle
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Olson, Donald S has a BuildZoom score of 94, which places them above 76% of 128,670 contractors in Washington.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
Our building permit records indicate that Olson, Donald S has worked on at least
3.0 projects over the past 2 years.
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
|
$250k-$500k |
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.
Construct 4-bedroom 1-story residence with attached garage fire sprinkler protection not required
Valuation:
$385,862
Permit #:
DWEL23-0169
Status:
complete
Fee:
$25,145
Permit Type:
N/A
Building Type:
N/A
Replacement of electrical gear in north end pump station
Valuation:
N/A
Permit #:
E2504-176
Status:
issued
Fee:
$250
Permit Type:
Standard electric...
Building Type:
N/A
Rev to b02l1981 - revise shop building from 36 x 26 to 36 x 42 adding add'l 576 sf
Valuation:
$13,997
Permit #:
B03Q0047
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Garage addition w/studio over
Valuation:
N/A
Permit #:
B99A1123
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
On-site sewage system soil evaluation (site registration)
2001-07-19
No Description Available
Valuation:
N/A
Permit #:
SR-81-1112
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Changing out rooftop unit like for like. changing out exhaust fan like for like. adding doas unit adding ductless split system. adding & modifying ductwork
Valuation:
N/A
Permit #:
MEC25-3180
Status:
issued
Fee:
$2,869
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Olson, Donald S License info
Verified License
| License # | 1137 |
| Status | Active |
| State | Washington |
| Type | Landscape Architect |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Olson, Donald S at the Washington State Business Licensing .
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1137 |
| Status | Active |
| State | Washington |
| Type | Architect |
- BuildZoom has not verified this license since April, 2013.
Verify this license's status for Olson, Donald S 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 # | 1137 |
| Status | Inactive |
| State | Washington |
| Type | Architect |
- According to the Washington State Business Licensing , 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 Olson, Donald S at the Washington State Business Licensing .
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
6
Permits
- Building permit records show that Olson, Donald S has worked on 6 permitted projects.
Olson, Donald S Employees
OS
Olson, Donald S
Owner