Location and Projects
Address
328 N Olympic Ave, Arlington, WA, 98223
Use our bidding system to
request a quote
Coast Development Co Engineer
Coast Development Co LLC, 328 N Olympic Ave, Arlington, WA (Owned by: Gaskin, Trevor Lee) holds a Construction Contractor, General license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 102 ranks in the top 11% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Coast Development Co LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Coast Development Co LLC Services
Start a project today:
Coast Development Co LLC Contact Information
Phone Number: (425) 224-0068
Edit
Address: 328 N Olympic Ave, Arlington, WA 98223
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Building Permits by Coast Development Co LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Project name: 7cs swim school tenant improvement tenant improvement in existing retail building. scope includes installation of two swimming pools restrooms showers changing room small gathering space offices and support spaces. new hvac systems and electrical for this suite. new trash enclosure. new skylights. electrical plumbing & fire protection to be a deferred submittal by subco... see more
Valuation:
N/A
Permit #:
B2024-0482
Status:
issued
Fee:
$28,153
Permit Type:
N/A
Building Type:
N/A
Project name: 7 c's swim school development of approx. 1.73 acres for construction of a 10 000 sf swim school site improvements will include parking storm water facilities and utilities
Valuation:
N/A
Permit #:
CG2020-0003
Status:
approved
Fee:
$16,666
Permit Type:
N/A
Building Type:
N/A
Remodel entire 16 656 sq ft building & addition 1 050 sq ft on roof
Valuation:
N/A
Permit #:
B2210-068
Status:
issued
Fee:
$13,047
Permit Type:
Commercial altera...
Building Type:
N/A
3/4 detect meter only for 4 fire svc cost est dcda
Valuation:
N/A
Permit #:
U2311-023
Status:
approved
Fee:
$834
Permit Type:
Water and side se...
Building Type:
N/A
Heat pump and hvac install per plans
Valuation:
$105,000
Permit #:
6646576-ME
Status:
final
Fee:
$1,240
Permit Type:
N/A
Building Type:
Commercial
E23-13393 parklands north building d floor 2 ste 201 tenant improvement for rice insurance; addition of interior offices. adding new power and data in new private offices. reconfiguring existing lighting to accommodate new layout. no plumbing or mechanical in scope
Valuation:
N/A
Permit #:
BNR2023-33848
Status:
final
Fee:
$2,635
Permit Type:
N/A
Building Type:
N/A
Remodel single family dwelling, , replace existing carpet refinish existing hardwood floors replace sheet vinyl in baths and utility room with tile floor repaint entire interior. remove existing center column under existing ceiling support beam in garage - modify (strengthen) existing ceiling support beam supporting bedrooms above and install larger support columns at each end of span
Valuation:
N/A
Permit #:
B2016-0185
Status:
final
Fee:
$1,293
Permit Type:
N/A
Building Type:
N/A
Project name: animal hospital at murphy's corner, , removal and replacement of curb gutter and sidewalk. the sidewalk will be closed for a couple of wees and the first lane of traffic will need to be closed for 2 non-consecutive days to pour concrete
Valuation:
N/A
Permit #:
RW2016-0193
Status:
final
Fee:
$155
Permit Type:
N/A
Building Type:
N/A
Annotto bay veterinary clinic plumbing, a (nonresidential) (alteration) project involving 2 back flow preventer additional information: installation of backflow preventers work location: exterior of building
Valuation:
N/A
Permit #:
PLM14-00019
Status:
final
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Cobblestone animal hospital, interior remodel (non-structural) to modify the existing space for a 1426 sqft veterinarian office with interior partitions equipment finishes & lighting
Valuation:
N/A
Permit #:
BLD17-00284
Status:
final
Fee:
$3,437
Permit Type:
N/A
Building Type:
N/A
Building Permit
1421 Pioneer, WA
2016-01-20
Description of work: mechanical portion - tenant improvement of existing vacant tenant space. the improved space shall be residential.
Valuation:
N/A
Permit #:
16101000KM
Status:
Open
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
Building Permit
1421 Pioneer, WA
2016-01-26
Description of work: fire protection - tenant improvement of existing vacant tenant space. the improved space shall be residential.
Valuation:
N/A
Permit #:
16101281KM
Status:
Open
Fee:
$180
Permit Type:
N/A
Building Type:
N/A
Building Permit
1421 Pioneer, WA
2016-01-20
Description of work: plumbing portion - tenant improvement of existing vacant tenant space. the improved space shall be residential.
Valuation:
N/A
Permit #:
16101010KP
Status:
Open
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
Removal of existing tcu locker building and gate building per stfi
Valuation:
N/A
Permit #:
6646569
Status:
issued
Fee:
$328
Permit Type:
Demolition
Building Type:
Industrial
Tenant improvment for mechanical portion of retail space per plan
Valuation:
N/A
Permit #:
6536809
Status:
final
Fee:
$810
Permit Type:
Alter existing in...
Building Type:
Commercial
Annotto bay veterinary clinic tenant improvement, construct interior alterations for tenant improvement
Valuation:
N/A
Permit #:
BLD13-00424
Status:
final
Fee:
$4,289
Permit Type:
N/A
Building Type:
N/A
Building Permit
2229 132nd, WA
2016-03-10
Animal hospital at murphy's corner - demolish existing home, build new 1 story 2,652 sq ft animal hospital
Valuation:
N/A
Permit #:
16103612PS
Status:
Open
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building Permit
1421 Pioneer, WA
2015-12-10
Flood hazard permit in conjunction with conversion of 2nd floor of existing building to living space.
Valuation:
N/A
Permit #:
15118952FZ
Status:
Open
Fee:
$309
Permit Type:
N/A
Building Type:
N/A
Converting the second floor 1205 square feet of a commercial establishment to living space
Valuation:
N/A
Permit #:
15118951CBP
Status:
final
Fee:
$1,898
Permit Type:
N/A
Building Type:
N/A
Building Permit
1421 Pioneer, WA
2016-01-10
Converting the second floor, 1205 square feet, of a commercial establishment to living space.
Valuation:
N/A
Permit #:
15118951CBP
Status:
Under Review
Fee:
$1,065
Permit Type:
N/A
Building Type:
N/A
Similar Contractors
License # ENGR0020
Seattle, WA
110
BZ Score
$504K
Avg Project
-
Projects
License # ACCOEES794RO
Seattle, WA
112
BZ Score
$10K
Avg Project
-
Projects
License # INFRASL871C2*
Sumner, WA
113
BZ Score
$1K
Avg Project
-
Projects
Coast Development Co LLC Reviews
BuildZoom hasn't received any reviews for Coast Development Co LLC. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Coast Development Co LLC License info
License Not Verified
| License # | COASTCG865CG |
| 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 Coast Development Co 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 # | 1071417 |
| Status | Active |
| State | California |
| Type | General Building, General Engineering, Electrical |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Coast Development Co LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | COASTCG865CG |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Coast Development Co LLC 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 # | COASTCG865CG |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company |
- According to the The City of Marysville, Washington, 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 Coast Development Co LLC at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | COASTDC948ML |
| Status | Inactive |
| City | Marysville |
| Type | Contractor |
| Business Type | Limited Liability Company |
- According to the The City of Marysville, Washington, 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 Coast Development Co LLC at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | COASTDC948ML |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- According to the Washington State Department of Labor & Industries, 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 Coast Development Co LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
102
BuildZoom Score
Insured
| Insurer | Ohio Security Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Contractors Bonding & Insurance Co |
| Bond Value | $12,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
23
Permits
- Building permit records show that Coast Development Co LLC has worked on 23 permitted projects.
Coast Development Co LLC Employees
AG
Angela Gaskin
Officer
AG
Angela Gaskin
Partner/Member
DG
Dare John Gaskin
Rmo
GL
Gaskin, Trevor Lee
Owner
HS
Harold Owen Stevens
Rmo
TG
Trevor Gaskin
Partner/Member
TG
Trevor Lee Gaskin
Member