Updated: May 26, 2026
Location and Projects
Address
1507 Tara St, Kelso, WA, 98626
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Tri Coast Construction Llc
Serving Kelso, WA, and surrounding areas, Tri Coast Construction LLC draws on 30 years of industry experience to deliver construction services across both residential and commercial projects. The company manages a range of projects, including new home construction, home additions, and remodels. Tri Coast Construction LLC also handles light commercial builds, such as retail or office renovations. Project portfolios typically include kitchen and bathroom remodels, whole-house renovations, and structural repairs. The business works with property owners to manage projects from initial design through to completion, providing coordination with local subcontractors and suppliers. Tri Coast Construction LLC’s longstanding presence in the region reflects a thorough understanding of local building codes and construction standards relevant to the Pacific Northwest.
Tri Coast Construction Llc Services
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Tri Coast Construction Llc Contact Information
Phone Number: (360) 306-1391
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Address: 1507 Tara St, Kelso, WA 98626
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Tri Coast Construction Llc Kelso
Quality
109
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tri Coast Construction Llc has a BuildZoom score of 109, which places them above 95% of 128,670 contractors in Washington.
Activity
|
6 projects
|
2025 |
|
8 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Tri Coast Construction Llc has worked on at least
28.0 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.
Experience
|
5 projects
|
New Constructions |
|
3 projects
|
Commercial Renovations |
Analyzing permits over the last 4 years shows that Tri Coast Construction Llc mostly works on
new construction
and commercial renovation
projects.
Pricing
|
3 projects
|
< $5k |
|
2 projects
|
$5k-$20k |
|
7 projects
|
$20k-$50k |
|
7 projects
|
$50k-$100k |
|
6 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
The typical size of their permits is approximately $66,700. This graph shows the distribution of these job values.
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 Tri Coast Construction Llc
This is a sample of this contractor's permits. Click here to access their complete permit history.
New single family residence w/attached garage-mcdaniel/muhich
Valuation:
$440,101
Permit #:
BLD2023-0790
Status:
final
Fee:
$9,469
Permit Type:
New structure
Building Type:
N/A
New manufactured home on single family residence lot for dadu-haycock
Valuation:
$170,663
Permit #:
BLD2024-0687
Status:
final
Fee:
$12,820
Permit Type:
Adu
Building Type:
N/A
Replacement manufactured home w/lu 3 bed 2 bathroom 1493sf july 02 2025whatcom county july 02 2025whatcom county
Valuation:
$149,300
Permit #:
MOB2025-00018
Status:
issued
Fee:
$1,667
Permit Type:
N/A
Building Type:
N/A
Bishop/le dadu sanitary for new dadu to existing side sewer. associated building permit #6959899-cn. (drainage review was not required. no new drainage permitted to side sewer.)
Valuation:
$40,000
Permit #:
7020804-SS
Status:
issued
Fee:
$375
Permit Type:
None
Building Type:
Single family/duplex
New doublewidemanufactured home- 3 bed 2 bathroom 24'x56 1344sf
Valuation:
$134,400
Permit #:
MOB2025-00002
Status:
issued
Fee:
$1,868
Permit Type:
N/A
Building Type:
N/A
Replacing existing deck - for mob2025-00004. uncvdeck112sf. r1 added 16sf of deck. new totalsf=128sf
Valuation:
$3,200
Permit #:
DET2025-00024
Status:
issued
Fee:
$561
Permit Type:
N/A
Building Type:
N/A
New detachedunheated shop 40'x30'pole building 1200sf
Valuation:
$30,000
Permit #:
DET2024-00106
Status:
filed
Fee:
$1,366
Permit Type:
N/A
Building Type:
N/A
Replacement w/lu mobile home and deck 20'x40 800sf
Valuation:
$80,000
Permit #:
MOB2025-00004
Status:
issued
Fee:
$1,075
Permit Type:
N/A
Building Type:
N/A
New 2023 columbia river double wide 1712 sf to includefactory 219 deck located at end of unit
Valuation:
$99,296
Permit #:
MOB2023-00025
Status:
issued
Fee:
$1,235
Permit Type:
N/A
Building Type:
N/A
New mobilehome 28'x56 1568sf 2 bed 2 bathroom
Valuation:
$90,944
Permit #:
MOB2024-00029
Status:
issued
Fee:
$1,987
Permit Type:
N/A
Building Type:
N/A
Replacementdouble wide majestic2 bedroom 2 bath.1382sf total. this is unit 11
Valuation:
$77,800
Permit #:
MOB2023-00010
Status:
issued
Fee:
$920
Permit Type:
N/A
Building Type:
N/A
Detached shop 50 x 24 shop enclosed864sf open leantwo 336sf totalsf=1200
Valuation:
$30,000
Permit #:
DET2024-00085
Status:
issued
Fee:
$1,243
Permit Type:
N/A
Building Type:
N/A
2023 schultfwk2856-b doublewide, 3 bedroom 2 bathroom, main level 1512sf
Valuation:
$75,000
Permit #:
MOB2023-00021
Status:
issued
Fee:
$1,329
Permit Type:
N/A
Building Type:
N/A
Replacement 26.67 x 67 double wide manufactured home - 3 bed 2.5 bathroom totalsf=1786.89
Valuation:
$75,000
Permit #:
MOB2021-00050
Status:
issued
Fee:
N/A
Permit Type:
Mobile
Building Type:
N/A
New dadu- single wide 2023 14'x44'616sq ft 120123r1 submitted for revised floor plan
Valuation:
$36,000
Permit #:
MOB2023-00038
Status:
issued
Fee:
$1,538
Permit Type:
N/A
Building Type:
N/A
Replacementmobile home. 2023 columbia river doublewide 1600sf 3bed 2 bathroom
Valuation:
$50,000
Permit #:
MOB2023-00023
Status:
issued
Fee:
$1,029
Permit Type:
N/A
Building Type:
N/A
New 12 x 12 deck and 4'x4 landing- see mob2023-00025, main deck 144sf landing deck 16sf totalsf=160
Valuation:
$3,360
Permit #:
DET2023-00099
Status:
issued
Fee:
$318
Permit Type:
N/A
Building Type:
N/A
Office remodel phase 3
Valuation:
N/A
Permit #:
5866
Status:
expired
Fee:
$2,171
Permit Type:
N/A
Building Type:
N/A
Covered porchfor mobile home 462sfback porch 72sffront porch
Valuation:
$14,952
Permit #:
DET2022-00034
Status:
issued
Fee:
$668
Permit Type:
N/A
Building Type:
N/A
Adu 2023 schult double wide 1280sf3 bed 2 bathroom
Valuation:
$74,240
Permit #:
MOB2023-00017
Status:
issued
Fee:
$1,879
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
-
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BZ Score
$9.5K
Avg Project
-
Projects
167
BZ Score
$77.5K
Avg Project
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Projects
Tri Coast Construction Llc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Tri Coast Construction Llc License info
License Not Verified
| License # | TRICOCC926BZ |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- When BuildZoom last verified this license, it had an expiration date of February, 2026. Check the current license status of Tri Coast Construction Llc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | COASTC*053L8 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Tri Coast Construction 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 # | COASTC*053L8 |
| 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 Tri Coast Construction Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TRICOCC926BZ |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Tri Coast Construction Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
109
BuildZoom Score
Insured
| Insurer | Scottsdale Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Developers Surety & Indem Co |
| Bond Value | $12,000 |
216
Permits
- Building permit records show that Tri Coast Construction Llc has worked on 216 permitted projects.
Tri Coast Construction Llc Employees
AR
Amy Robbins
Partner/Member
AF
Andrea Ferguson
Partner/Member
CW
Charles Westfall
President
PW
Phillip Westfall
RL
Robbins, Amy Lea
Owner
WD
WESTFALL, CHARLES D
President
WF
WESTFALL, PHILIP F
Governing Persons
WF
WESTFALL, PHILLIP F