Updated: May 25, 2026
Location and Projects
Address
14150 NE 20TH ST, Bellevue, WA, 98007
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Bylington Development Construction
Bylington Development LLC serves Bellevue, WA and the surrounding Eastside with residential construction and remodeling services. The company’s portfolio includes custom home builds, major renovations, and home additions in neighborhoods throughout the Seattle metro area. Bylington Development works with homeowners to deliver tailored solutions for properties ranging from single-family residences to larger estate projects. With 9 years in business, the firm emphasizes collaboration throughout the design and build process to help clients realize their vision. Bylington Development also showcases recent projects that reflect contemporary and transitional architectural styles, integrating modern materials and finishes. The company manages all phases of the construction process, from project planning and permitting through final completion, and has experience navigating local building requirements across Bellevue and neighboring communities.
Bylington Development LLC Services
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Bylington Development LLC Contact Information
Phone Number: (425) 922-5116
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Address: 14150 NE 20TH ST, Bellevue, WA 98007
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Bylington Development LLC Bellevue
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Bylington Development LLC has a BuildZoom score of 104, which places them above 91% of 128,670 contractors in Washington.
Activity
|
5 projects
|
2025 |
|
2 projects
|
2024 |
|
2 projects
|
2023 |
Our building permit records indicate that Bylington Development LLC has worked on at least
9.0 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
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that Bylington Development LLC mostly works on
new construction
projects.
Pricing
|
1 project
|
$500k-$1mil |
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 Bylington Development LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Pang new single family residence. construction of a new 2-story plus basement single family residence with a 4-car garage. 6197 sq ft living space; 626 sq ft garage; 282 sq ft covered porch/deck 6/17/2022 approved revision 1 v.4 - changed plan sheets a2 a3 a4 a5 a6 a11 sd-1 sd-2 and structural calculations. 10/12/2022-approved revision 2 v.6. plan sheets c1.0 c1.1 c1.2 a.5 and a.6
Valuation:
$803,186
Permit #:
B21000336
Status:
complete
Fee:
$48,392
Permit Type:
N/A
Building Type:
N/A
Asian food center market|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of th... see more
Valuation:
N/A
Permit #:
D25-0190
Status:
issued
Fee:
$1,304
Permit Type:
Comm_whse
Building Type:
N/A
Asian food center market|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of th... see more
Valuation:
N/A
Permit #:
PG25-0084
Status:
issued
Fee:
$1,881
Permit Type:
Non-residential
Building Type:
N/A
Asian family market|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the own... see more
Valuation:
N/A
Permit #:
M25-0095
Status:
issued
Fee:
$2,286
Permit Type:
Non-residential
Building Type:
N/A
When submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all acts required... see more
Valuation:
N/A
Permit #:
D25-0283
Status:
filed
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Asian family market tukwila llc|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behal... see more
Valuation:
N/A
Permit #:
D25-0282
Status:
issued
Fee:
$1,173
Permit Type:
Other
Building Type:
N/A
Pang new single family residence. construction of a new 2-story plus basement single family residence with a 4-car garage. 6197 sq ft living space; 626 sq ft garage; 282 sq ft covered porch/deck 6/17/2022 approved revision 1 v.4 - changed plan sheets a2 a3 a4 a5 a6 a11 sd-1 sd-2 and structural calculations. 10/12/2022-approved revision 2 v.6. plan sheets c1.0 c1.1 c1.2 a.5 and a.6
Valuation:
$803,186
Permit #:
B21000336
Status:
complete
Fee:
$48,392
Permit Type:
N/A
Building Type:
N/A
Construct accessory building (488 sq. ft.) to include sauna steam room and outdoor shower. construct 60 x 15 swimming pool with hot tub cold plunge pool and new patio. includes clearing & grading. does not include mechanical electrical or plumbing
Valuation:
N/A
Permit #:
23 118567 BR
Status:
issued
Fee:
$4,122
Permit Type:
N/A
Building Type:
N/A
Type: building non residential class: interior alteration, , village @ totem lake (bldg c) mayweather boxing ti: first tenant in space to include non-bearing interior partitions wall restroom building outs furniture fixtures & equipment (re: bnr19-06428), , project: village at totem lake (bldg c)
Valuation:
N/A
Permit #:
BNR20-06627
Status:
final
Fee:
$3,941
Permit Type:
N/A
Building Type:
N/A
Demolish existing residence and construction of a new single family home. includes clear & grade row storm connection. includes mechanical electrical & plumbing
Valuation:
N/A
Permit #:
19 115662 BS
Status:
final
Fee:
$18,780
Permit Type:
N/A
Building Type:
N/A
Type: mechanical non residential class: alteration to structure or system, , village @ totem lake (bldg c) don't yell at me ti: mechanical work related to bnr20-07648, , project: village at totem lake (bldg c)
Valuation:
N/A
Permit #:
MNR20-08649
Status:
final
Fee:
$670
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential class: alteration to structure or system, , village @ totem lake (bldg c) don't yell at me ti: plumbing work related to bnr20-07648, , project: village at totem lake (bldg c)
Valuation:
N/A
Permit #:
PNR20-08648
Status:
final
Fee:
$329
Permit Type:
N/A
Building Type:
N/A
Construct new single-family residence with attached garage. existing residence to be demolished. includes clear and grade row and storm connection. ****includes mechanical electrical and plumbing
Valuation:
N/A
Permit #:
18 120503 BS
Status:
final
Fee:
$11,444
Permit Type:
N/A
Building Type:
N/A
**post revision changes to foundation+underfloor framing floor layouts roof design +stair configuration remove upper floor deck. re-inspections of previously approved portions may be required** demolish and rebuild. includes right-of-way clearing & grading. (18-103309 bn water service only) does not include mechanical (18-112313 bk) *add on plumbing **add on electrical
Valuation:
N/A
Permit #:
16 146080 BS
Status:
final
Fee:
$13,034
Permit Type:
N/A
Building Type:
N/A
Pang single family residence shoring wall. construction of a shoring wall along the east property line
Valuation:
$10,000
Permit #:
B21006085
Status:
complete
Fee:
$465
Permit Type:
N/A
Building Type:
N/A
Modify existing storm drainage system to fit construction of swimming pool and detached accessory building 23 118567 br
Valuation:
N/A
Permit #:
23 127909 UB
Status:
issued
Fee:
$1,292
Permit Type:
N/A
Building Type:
N/A
Addition connection to existing side sewer for swimming pool and pool house 23 118567 br
Valuation:
N/A
Permit #:
24 100042 UA
Status:
final
Fee:
$862
Permit Type:
N/A
Building Type:
N/A
Demolish existing garage shed & carport structures onsite. construct new 2-story single family residence with attached garage. includes clear & grade row and storm connection. includes mechanical electrical and plumbing
Valuation:
N/A
Permit #:
18 111965 BS
Status:
final
Fee:
$19,887
Permit Type:
N/A
Building Type:
N/A
Construct vehicle gate at driveway of single family residence in the city of clyde hill 21 116057fj
Valuation:
N/A
Permit #:
23 123197 FO
Status:
final
Fee:
$386
Permit Type:
N/A
Building Type:
N/A
Demolish existing house and construct a 2-story single family building with attached 3-car garage. includes right of way and storm connection. includes mechanical electrical and plumbing
Valuation:
N/A
Permit #:
18 104498 BS
Status:
final
Fee:
$15,587
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
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Projects
Bylington Development LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Bylington Development LLC License info
License Not Verified
| License # | BYLINDL837PL |
| 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 October, 2025. Check the current license status of Bylington Development 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 # | BYLINDL837PL |
| 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 Bylington Development LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Insured
| Insurer | Endurance American Insurance C |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
16
Permits
- Building permit records show that Bylington Development LLC has worked on 16 permitted projects.
Bylington Development LLC Employees
HL
Hou Wai Lam
Partner/Member
LH
Lam, Hou Wai Howard
Owner
LB
Lydia Bai
Partner/Member