Updated: Jan 06, 2026
Location and Projects
Address
10202 5th Ave NE, Seattle, WA, 98125
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Kdw Salas O'brien Architect
Kdw Salas O'brien LLC, 10202 5th Ave NE, Seattle, WA (Owned by: Mr Douglas A Diel) holds a Architect license and 3 other licenses according to the North Carolina license board.
Their BuildZoom score of 100 ranks in the top 13% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Kdw Salas O'brien LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Kdw Salas O'brien LLC Services
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Kdw Salas O'brien LLC Contact Information
Phone Number: (206) 547-1940
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Address: 10202 5th Ave NE, Seattle, WA 98125
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Kdw Salas O'brien LLC Seattle
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Kdw Salas O'brien LLC has a BuildZoom score of 100, which places them above 87% of 128,670 contractors in Washington.
Activity
|
1 project
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Kdw Salas O'brien LLC has worked on at least
3.0 projects over the past 3 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
|
$50k-$100k |
|
1 project
|
$100k-$250k |
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.
Building Permits by Kdw Salas O'brien LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Expedited tenant improvement - microsoft redwest c - tenant improvement of 3 kitchenettes 3 gender neutral restrooms 2 janitor closets 3 storage rooms includes minor demolition and new lighting - all restrooms to receive wave to open ada assist - total area of work 1311 sf
Valuation:
$18,000
Permit #:
BLDG-2020-01030
Status:
final
Fee:
$1,315
Permit Type:
N/A
Building Type:
N/A
Sea 085 dce battery test room - alteration
Valuation:
$69,813
Permit #:
CNST-2231853
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Sea 085 data center ph 2 - alteration
Valuation:
$58,512
Permit #:
CNST-2230518
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Edge nte office - alteration
Valuation:
$57,564
Permit #:
CNST-2211009
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Whistler 10k - plumbing
Valuation:
N/A
Permit #:
CNST-2231636
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Exp commercial tenant improvement - 2018 ibc - b127 production studios - tenant improvement of 2 production studios to include select demolition of partitions doors ceiling lighting and furniture as well as new partitions doors light fixtures (relocated) furniture and finish materials. no change of use no change of exit egress path. no exterior or envelope changes. existing restrooms ... see more
Valuation:
$150,000
Permit #:
BLDG-2022-07520
Status:
final
Fee:
$3,819
Permit Type:
N/A
Building Type:
N/A
Otc commercial tenant improvement - at&t rtc-bldg 2 - first level mail & legal room - 2018 ibc - interior tenant improvement to the 1st floor: select demolition & limited construction of wall revised suspended ceiling & finishes. total = 536 sf
Valuation:
$35,500
Permit #:
BLDG-2021-04422
Status:
final
Fee:
$1,822
Permit Type:
N/A
Building Type:
N/A
Addition/remodel
Valuation:
N/A
Permit #:
125813
Status:
final
Fee:
$4,041
Permit Type:
Remodel/repair
Building Type:
N/A
Sea 085 data center - addition
Valuation:
$528,328
Permit #:
CNST-2214448
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition/remodel
Valuation:
N/A
Permit #:
123356
Status:
canceled
Fee:
$1,962
Permit Type:
Remodel/repair
Building Type:
N/A
Closed as incomplete - expired permit. construct interior non structural alterations to third basement level of existing office space (qwest) per floor plan and subject to field inspection stfi
Valuation:
$10,000
Permit #:
6184815
Status:
Permit Closed
Fee:
$267
Permit Type:
Commercial
Building Type:
N/A
Convert a portion of existing basement into a bedroom and bathroom in existing single family residence and addition of an interior staircase to provide access to main floor per plan
Valuation:
$40,000
Permit #:
6209847
Status:
Permit Closed
Fee:
$1,280
Permit Type:
Single family duplex
Building Type:
N/A
Interior non-structural commercial tenant improvement. for addition partitions enclosure around an existing generator in basement level of existing telephone equipment room and utility service use per plan
Valuation:
$5,000
Permit #:
6080714-CN
Status:
complete
Fee:
$726
Permit Type:
Add/alt
Building Type:
Commercial
Demolish single family residence per abatement order 1015761 and subject to field inspection (stfi)
Valuation:
$0
Permit #:
6183457
Status:
Permit Closed
Fee:
$392
Permit Type:
Single family du...
Building Type:
N/A
Install screen around existing rooftop mechanical equipment per plan
Valuation:
$9,000
Permit #:
6092609
Status:
Permit Closed
Fee:
$660
Permit Type:
Commercial
Building Type:
N/A
Building - commercial - tenant improvement
2013-06-13
Expedited tenant improvement - 235 sq ft tenant improvement to convert 2 offices into 1 vp office
Valuation:
$40,000
Permit #:
BLDG-2013-05244
Status:
expired
Fee:
$662
Permit Type:
N/A
Building Type:
N/A
851 sq ft tenant improvement - secure the 3rd floor by installing card readers at stairwell doors and building 2 gwb walls with doors at 2 open stairwells enclosing the elevator lobby with storefront assemblies at each end with card readers and building a storefront assembly a the main stair creating a vestibule with card reader access
Valuation:
$90,000
Permit #:
BLDG-2014-03527
Status:
expired
Fee:
$1,119
Permit Type:
N/A
Building Type:
N/A
Expeditied tenant improvement - microsoft redwest d - tenant improvement adding a second exit to a training room. addition of alcove at existing door - no change of use or change of exit travel - restrooms comply with icc/ansi a117.1 - total area of work x sf
Valuation:
$4,800
Permit #:
BLDG-2019-08875
Status:
revoked
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Expedited tenant improvement - microsoft redwest building c - tenant improvement of 3 kitchenettes 2 gender neutral restrooms 2 janitor closets 2 storage rooms includes minor demolition and new lighting - no change of use or change of exit travel - restrooms comply with icc/ansi 117.1 - total area of work x sf
Valuation:
$18,000
Permit #:
BLDG-2019-08869
Status:
revoked
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remove interior walls to extend data performance room reduce size of open office space and replace ceiling with sound proof materials
Valuation:
N/A
Permit #:
ADDC17-0635
Status:
canceled
Fee:
$1,169
Permit Type:
N/A
Building Type:
N/A
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Kdw Salas O'brien LLC Reviews
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Kdw Salas O'brien LLC License info
Verified License
| License # | 53873 |
| Status | Active |
| State | North Carolina |
| Type | Architect |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Kdw Salas O'brien LLC at the North Carolina Board of Architecture.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 113560 |
| Status | Active |
| State | Tennessee |
| Type | Engineers |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Kdw Salas O'brien LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 103780 |
| Status | Active |
| State | Tennessee |
| Type | Architects |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Kdw Salas O'brien LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 3965 |
| Status | Active |
| State | Tennessee |
| Type | Architectural Firms |
- When BuildZoom last verified this license, it had an expiration date of October, 2015. Check the current license status of Kdw Salas O'brien LLC with the Tennessee Department of Commerce and Insurance
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
15
Permits
- Building permit records show that Kdw Salas O'brien LLC has worked on 15 permitted projects.
Kdw Salas O'brien LLC Employees
JS
John D Siefken
Owner
MD
Mr Douglas A Diel
Owner