Updated: May 14, 2026
Location and Projects
Address
8435 47TH AVE S, Seattle, WA, 98118
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Core Construction LLC
Core Construction LLC serves clients throughout Seattle, focusing on residential and commercial construction projects. With 19 years of experience, the company manages a range of project types, including new home builds, remodels, additions, and tenant improvements. Core Construction LLC works with a variety of properties, from single-family homes to multi-unit residential and commercial spaces. The firm guides each project from initial planning through completion, utilizing established construction methods and coordinating with architects, engineers, and local permitting authorities. Core Construction LLC emphasizes communication with property owners and project partners throughout the construction process, ensuring timelines and specifications are met. The company serves neighborhoods across Seattle and offers support with both major renovations and ground-up construction.
Core Construction LLC Services
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Core Construction LLC Contact Information
Phone Number: (206) 883-3037
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Address: 8435 47TH AVE S, Seattle, WA 98118
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Core Construction LLC Seattle
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Core Construction LLC has a BuildZoom score of 103, which places them above 90% of 128,670 contractors in Washington.
Activity
|
4 projects
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that Core Construction LLC has worked on at least
5.0 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
|
4 projects
|
$5k-$20k |
|
1 project
|
$250k-$500k |
The typical size of their permits is approximately $8,000. 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 Core Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical work related to tenant improvement for a quick-serve restaurant on an existing restaurant space. includes type-i hoods make up air unit grease exhaust fans ductwork registers grilles and diffusers. related to bldca22-0354
Valuation:
$20,000
Permit #:
MECHC23-0050
Status:
final
Fee:
$2,341
Permit Type:
Remodel
Building Type:
N/A
Plumbing related to tenant improvement for a quick-serve restaurant on an existing restaurant space. related to bldca22-0354
Valuation:
$20,000
Permit #:
PLMBC23-0046
Status:
final
Fee:
$498
Permit Type:
Remodel
Building Type:
N/A
Install 1ea outdoor mini-split units 4ea indoor units
Valuation:
$8,000
Permit #:
7092054-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Install 1ea outdoor mini-split units 4ea indoor units
Valuation:
$8,000
Permit #:
7092053-FR
Status:
complete
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Install 1ea outdoor mini-split units 2ea indoor units
Valuation:
$6,000
Permit #:
7092052-FR
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
Single family/duplex
Diong residence - demolish
Valuation:
N/A
Permit #:
CDEM-2222565
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement within factoria mall formerly gophers fast food new tenant just poke also fast food. no cgange of use and no exterior structural work
Valuation:
N/A
Permit #:
17 116178 BZ
Status:
final
Fee:
$1,456
Permit Type:
N/A
Building Type:
N/A
Interior tenant improvement formerly photo shop proposed desert retail
Valuation:
N/A
Permit #:
17 130654 BY
Status:
final
Fee:
$3,032
Permit Type:
N/A
Building Type:
N/A
Initial tenant improvement within shell permitted food court
Valuation:
N/A
Permit #:
17 129856 BY
Status:
final
Fee:
$3,968
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure project installing {1-bath fan}
Valuation:
N/A
Permit #:
18 131978 BK
Status:
final
Fee:
$49
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for a quick-serve restaurant on an existing restaurant space. includes new walls finishes lights equipment and type-i hoods. minor exterior façade upgrade with new paint finish and canvas awning. **plumbing mechanical and electrical scopes will require separate permits**
Valuation:
$255,000
Permit #:
BLDCA22-0354
Status:
final
Fee:
$6,867
Permit Type:
Remodel (T.I.)
Building Type:
N/A
Construct additions and alterations to establish an accessory dwelling unit to existing single family residence per plan
Valuation:
$152,743
Permit #:
6549438
Status:
Permit Issued
Fee:
$3,888
Permit Type:
Single family du...
Building Type:
N/A
Jollibee
Valuation:
N/A
Permit #:
M19-0103
Status:
final
Fee:
$887
Permit Type:
Non-residential
Building Type:
N/A
Jollibee
Valuation:
N/A
Permit #:
PG19-0086
Status:
final
Fee:
$515
Permit Type:
Non-residential
Building Type:
N/A
Connect new d/s and footing drains to ex side sewer. assoc building permit 6549438
Valuation:
N/A
Permit #:
6579797-SS
Status:
complete
Fee:
$375
Permit Type:
New
Building Type:
Single family/duplex
Just poke tenant improvement, install backflow device for ice machine
Valuation:
N/A
Permit #:
PLM18-00087
Status:
final
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
Addition 16'0 wall behind new type i hood in kitchen. associated mechanical permit 17-107603 bl
Valuation:
N/A
Permit #:
17 108388 BZ
Status:
final
Fee:
$918
Permit Type:
N/A
Building Type:
N/A
Tenant improvement with non-structural interior only alteration for a food service facility at ground level in existing building per plan
Valuation:
N/A
Permit #:
22 103568 BZ
Status:
issued
Fee:
$1,605
Permit Type:
N/A
Building Type:
N/A
Closed as incomplete - expired permit. tenant improvements to addition food prep/service area in existing restaurant (o'asian) terrace level of existing commercial building (bank of america plaza) per plan
Valuation:
$25,000
Permit #:
6201277
Status:
Permit Closed
Fee:
$1,038
Permit Type:
Commercial
Building Type:
N/A
Jollibee
Valuation:
N/A
Permit #:
EL19-0529
Status:
issued
Fee:
$729
Permit Type:
Non-residential
Building Type:
N/A
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173
BZ Score
-
Avg Project
-
Projects
164
BZ Score
-
Avg Project
-
Projects
164
BZ Score
$32.4K
Avg Project
-
Projects
Core Construction LLC Reviews
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Verified License
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Core Construction LLC License info
Verified License
| License # | CORECCB813KC |
| 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 Core 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 # | CORECCB813KC |
| 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 Core Construction 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 # | CORECCL924J8 |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- According to the The City of Tukwila, WA, 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 Core Construction LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CORECCL924J8 |
| 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 Core Construction 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 | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
30
Permits
- Building permit records show that Core Construction LLC has worked on 30 permitted projects.
Core Construction LLC Employees
HT
Hai Feng Tan
President
HT
Hai Tan
Partner/Member
TF
Tan, Hai Feng
Owner