Updated: Jul 25, 2026
Location and Projects
Address
200 1ST AVE W, STE 520, Seattle, WA, 98119
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Coastal Construction Llc Photos
Coastal Construction Plumber
We are a general contracting company that specializes in residential remodels and tenant improvements for the greater Seattle area
From BuildZoom: Coastal Construction Llc, 200-1 St Ave W, Seattle, WA (Employee: Danny Sayah) holds a Construction Contractor, General license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 89 does not rank in the top 50% of Washington contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Coastal Construction Llc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Coastal Construction Llc Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Pole Barn
Restaurant New Construction
Retail New Construction
Office Building New Constru...
Industrial New Construction
Hotel New Construction
Warehouse New Construction
Other Commercial New Constr...
Industrial Renovation
Hotel Renovation
Warehouse Renovation
ADU
Small Multi-Family New Cons...
Small Multi-Family Remodel ...
Whole Home Remodel
Modular Home Construction
Pool House
Sunrooms and Greenhouses
Other Secondary Structure N...
Addition
Vertical Addition
Coastal Construction Llc Contact Information
Phone Number: (206) 499-7155
Address: 200 1ST AVE W, STE 520, Seattle, WA 98119
Coastal Construction Llc Seattle
Quality
89
30th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Coastal Construction Llc has a BuildZoom score of 89, which places them above 30% of 128,670 contractors in Washington.
Activity
|
5 projects
|
2025 |
|
4 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Coastal Construction Llc has worked on at least
13.0 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
|
8 projects
|
Plumbing projects |
|
7 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that Coastal Construction Llc mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
The typical size of their permits is approximately $10,000. 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 Coastal Construction Llc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Obermeier ss permit storm to splashblock or onsite infiltration only. sewer to existing sanitary sewer. convert existing garage to dadu per 7051472-cn. no osm or drainage work. drainage review not required
Valuation:
$5,000
Permit #:
7090860-SS
Status:
issued
Fee:
$512
Permit Type:
None
Building Type:
Single family/duplex
Type: building single family class: addition to structure *wong addition - additions to existing single-family residence including new 2-car garage and living areas
Valuation:
N/A
Permit #:
BSF24-06277
Status:
issued
Fee:
$21,909
Permit Type:
N/A
Building Type:
N/A
Palomo storm and footing drains to catch basin then to new lateral to combined sanitary. sanitary to new lateral to combined. per permit 6880999-cn single family residence. project includes osm facilities. separate sdot row permit required
Valuation:
N/A
Permit #:
7043308-SS
Status:
issued
Fee:
$750
Permit Type:
New
Building Type:
Single family/duplex
Dunn dadu ss downspouts footing drains and sanitary to existing on site combined side sewer. per plan # 6872842-cn for 1 new dadu. no osm required
Valuation:
$300,000
Permit #:
6934082-SS
Status:
issued
Fee:
$750
Permit Type:
New
Building Type:
Single family/duplex
Lowe construct dadu: storm footings and sanitary to existing side sewer to combine main. no drainage review. related permit: 7025838-cn
Valuation:
$10,000
Permit #:
7043519-SS
Status:
issued
Fee:
$750
Permit Type:
Addition/alteration
Building Type:
Single family/duplex
Purpose:carportcomments: permit issued for construction of a new carport as per approved plans submitted. electrical permit is not included and needs to be purchased separately
Valuation:
N/A
Permit #:
BP2010-288
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
Residential
Local tide construct initial tenant improvements for restaurant (local tide) at ground level of eastern portion in existing commercial building and occupy per plan
Valuation:
$200,000
Permit #:
6713906-CN
Status:
issued
Fee:
$4,257
Permit Type:
Add/alt
Building Type:
Commercial
Demolish attached garage new office conditioned space new deck
Valuation:
N/A
Permit #:
SFR22-1974
Status:
final
Fee:
$2,726
Permit Type:
Addition and remodel
Building Type:
N/A
Sewer cap-off to existing single family residence to be demolished
Valuation:
N/A
Permit #:
WWU19-2717
Status:
final
Fee:
$50
Permit Type:
Cap
Building Type:
N/A
(3) townhomes with attached 2-car garages-(1) building-west
Valuation:
N/A
Permit #:
TWN19-2723
Status:
final
Fee:
$55,588
Permit Type:
N/A
Building Type:
N/A
(2) townhomes with attached 2-car garages-(1) building-east
Valuation:
N/A
Permit #:
TWN19-2721
Status:
final
Fee:
$25,586
Permit Type:
N/A
Building Type:
N/A
Site dev and demolish for c-sub mb1l 2 townhome bldgs 5 units
Valuation:
N/A
Permit #:
DEV19-2716
Status:
final
Fee:
$22,012
Permit Type:
Subdivision const...
Building Type:
N/A
New wastewater connection for (3) new townhomes-west
Valuation:
N/A
Permit #:
WWU19-2725
Status:
final
Fee:
$500
Permit Type:
New connection
Building Type:
N/A
New wastewater connection for (2) new townhomes-east
Valuation:
N/A
Permit #:
WWU19-2722
Status:
final
Fee:
$400
Permit Type:
New connection
Building Type:
N/A
Right-of-way for sewer improvements
Valuation:
N/A
Permit #:
ROW19-2720
Status:
final
Fee:
$1,444
Permit Type:
Sewer improvements
Building Type:
N/A
New wastewater connection for (2) new townhomes-east
Valuation:
N/A
Permit #:
WWU19-2722
Status:
final
Fee:
$400
Permit Type:
New connection
Building Type:
N/A
Frontage improvements for csub 2 buildings 5 units
Valuation:
N/A
Permit #:
ROW19-2718
Status:
final
Fee:
$37,003
Permit Type:
Frontage improvem...
Building Type:
N/A
(2) townhomes with attached 2-car garages-(1) building-east
Valuation:
N/A
Permit #:
TWN19-2721
Status:
final
Fee:
$25,586
Permit Type:
N/A
Building Type:
N/A
Construct temporary shoring per plan.(construct new multi-family structure with underground parking and occupy per plan. review and processing for 2 ap's under 6485287)
Valuation:
$64,400
Permit #:
6521090
Status:
Permit Issued
Fee:
$2,435
Permit Type:
Multifamily
Building Type:
N/A
1425 western ave #r3 - mechanical alterations to mechanical system of existing multifamily building per plan per plan
Valuation:
$15,000
Permit #:
6953249-ME
Status:
complete
Fee:
$978
Permit Type:
N/A
Building Type:
Multifamily
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Verified License
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Coastal Construction Llc License info
License Not Verified
| License # | COASTCL850RC |
| 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 January, 2026. Check the current license status of Coastal 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 # | COASTCL850RC |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Coastal Construction Llc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
89
BuildZoom Score
Insured
| Insurer | Arch Insurance Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Ironshore Indemnity Inc |
| Bond Value | $12,000 |
44
Permits
- Building permit records show that Coastal Construction Llc has worked on 44 permitted projects.
Coastal Construction Llc Employees
DS
Danny Sayah
Manager