Updated: May 15, 2026
Location and Projects
Address
26637 NE Stella St, Duvall, WA, 98019
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Timberworx Const Group Construction
Timberworx Const Group LLC, 26637 NE Stella St, Duvall, WA (Owned by: Rank, Justin Mitchell) holds a Construction Contractor, General license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 103 ranks in the top 10% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Timberworx Const Group LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Timberworx Const Group LLC Services
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Timberworx Const Group LLC Contact Information
Phone Number: (425) 205-9280
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Address: 26637 NE Stella St, Duvall, WA 98019
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Timberworx Const Group LLC Duvall
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Timberworx Const Group LLC has a BuildZoom score of 103, which places them above 90% of 128,670 contractors in Washington.
Activity
|
2 projects
|
2025 |
|
2 projects
|
2024 |
Our building permit records indicate that Timberworx Const Group LLC has worked on at least
4.0 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.
Experience
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Timberworx Const Group LLC mostly works on
home addition
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$20k-$50k |
|
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.
Building Permits by Timberworx Const Group LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Radd - 2021 irc - rasmussen residence - second story addition to existing single family home. renovation of existing home including replacement of windows siding and interior remodel of kitchen and bathrooms. total area of construction = 851sf (addition) + 956sf (remodel) totaling: 1 804sf
Valuation:
$267,262
Permit #:
BLDG-2025-02296
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 334 sf dormer addition to the existing house. the addition is entered from the existing 2nd floor hall. a portion of existing roof where dormer will be to be demolished. adjoining existing roof will have a new truss & framing as required. there will be new posts and foundation work in the existing house to support the addition
Valuation:
N/A
Permit #:
BLD25031
Status:
issued
Fee:
$1,612
Permit Type:
N/A
Building Type:
N/A
Added 2nd story play room. installed a minisplit to heat/cool the room
Valuation:
N/A
Permit #:
MEC25201
Status:
final
Fee:
$141
Permit Type:
N/A
Building Type:
N/A
1, 094 sf basement & 1, 362 sf main floor addition to existing single family residence & rear deck addition. **added gas piping connections 1/2/2024-rar.**
Valuation:
N/A
Permit #:
22102234RBP
Status:
final
Fee:
$6,342
Permit Type:
N/A
Building Type:
N/A
Interior remodel kitchen bathroom new beam posts etc
Valuation:
N/A
Permit #:
SFR23-1155
Status:
final
Fee:
$2,950
Permit Type:
Remodel or repair
Building Type:
N/A
Plumbing rough in for primary and secondary bathroom as well as kitchen.- (1) bathtub + (1) clothes washer + (1) dishwasher + (2) hose bib + (1) shower + (5) bathroom sinks + (1) kitchen sink + (3) toilets + (1) other - 2021 upc:
Valuation:
$21,000
Permit #:
PLUM-2025-06728
Status:
issued
Fee:
$919
Permit Type:
N/A
Building Type:
N/A
(1) gas appliance (1) fireplace (1) gas piping 2021 imc relocate gass supply to the stove. gas line to new fireplace. install key valve in location specified before bringing the gas into the fireplace insert
Valuation:
$3,500
Permit #:
MECH-2025-06751
Status:
filed
Fee:
$276
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Timberworx Const Group LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Timberworx Const Group LLC License info
Verified License
| License # | TIMBECG790M7 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Timberworx Const Group LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TIMBECG790M7 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Timberworx Const Group LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Insured
| Insurer | Third Coast Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hartford Insurance Co The Midwest |
| Bond Value | $12,000 |
Timberworx Const Group LLC Employees
JR
Justin Rank
Partner/Member
RM
Rank, Justin Mitchell
Owner