Updated: Jun 09, 2026
Location and Projects
Address
8521 215TH ST, Queens, NY, 11427
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William Liang Construction
Serving clients throughout Queens, NY, William Liang specializes in residential remodeling and construction. With 29 years of experience, Liang has completed a range of renovations and building projects in neighborhoods across the borough. Projects often include home interior updates, exterior repairs, and general home improvement work for single-family and multi-family properties. He assists property owners with navigating local building codes and securing the required permits for each phase of construction. Familiar with the unique needs of Queens homeowners, William Liang emphasizes practical, code-compliant solutions for aging homes and modern living spaces. His portfolio reflects a variety of project types in both older homes and newer structures, reflecting his versatility in adapting to the diverse architectural styles found in Queens.
William Liang Services
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William Liang Contact Information
Phone Number: (917) 753-6889
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Address: 8521 215TH ST, Queens, NY 11427
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William Liang Queens
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
William Liang has a BuildZoom score of 100, which places them above 87% of 77,888 contractors in New York.
Activity
|
2 projects
|
2025 |
|
1 project
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that William Liang has worked on at least
6.0 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
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Propose to complete sign off of expired alter 1088/85. alter 1088/85 was approved permitted and all construction completed. this application herewith shall be only to complete the application and obtain the letter of completion. no change in use occupancy
Valuation:
$90,000
Permit #:
Q01104746-I1-GC-CX
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To erect a 2 story addition at rear of existing 2 1/2 story dwelling and to convert from 1 to 2 family. work to include the removal & installation of structural members partitions & fenestration
Valuation:
$217,080
Permit #:
B00496210-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To refile existing curb cut due to lack of records in dob and to satisfy alt-co requirement for a curb cut record. filed in conjunction w house alt-co #b00496210. no change of use egress or occupancy
Valuation:
$3,000
Permit #:
B00521270-I1-CC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Propose to legalize existing one story rear extension to a two story one family dwelling. no change in use occupancy or egress
Valuation:
N/A
Permit #:
Q01059545-I1-GC-CX
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
To install counters & mirror walls for a new beauty parlor. filed to supersede/replace alter 2 #410226606. no change of use egress or occupancy
Valuation:
$8,900
Permit #:
Q07998656-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Complete existing open applications 401291785 & alter 24-77 & obtain new c/o
Valuation:
$18,200
Permit #:
Q08019661-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Full demolition - full garage demolition
Valuation:
N/A
Permit #:
421579152-01-DM
Status:
issued
Fee:
$420
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421525111-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421525111-01-EQ-FN
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421525111-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321296414-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
321296414-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421890323-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
421579152-01-EQ-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
420973824-01-EQ-FN
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Alteration type 1 - new second story addition over existing one story at rear. new bathroom. remove wall at kitchen and reconfigure. relocate gas range. reconfigure existing exterior steps and platform at front and addition awning. modify windows as indicated. new deck
Valuation:
$42,000
Permit #:
401974093-01-AL
Status:
issued
Fee:
$329
Permit Type:
N/A
Building Type:
A1-1 family dwelling
No Description Available
Valuation:
N/A
Permit #:
420973824-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
420595831-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
420595831-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
301426455-01-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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William Liang License info
Verified License
| License # | 2032396-DCA |
| Status | Active |
| State | New York |
| Type | Home Improvement Contractor |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for William Liang at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 161461 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of September, 2022. Check the current license status of William Liang with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H04498300 |
| Status | Active |
| County | Nassau County |
- BuildZoom has not verified this license since August, 2013.
Verify this license's status for William Liang at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 024608 |
| Status | Active |
| State | New York |
| Type | Superintendent Of Construction |
- When BuildZoom last verified this license, it had an expiration date of February, 2023. Check the current license status of William Liang with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 609365 |
| Status | Active |
| State | New York |
| Type | General Contractor Non Registered |
- When BuildZoom last verified this license, it had an expiration date of July, 2023. Check the current license status of William Liang with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1432441-DCA |
| Status | Inactive |
| State | New York |
| Type | Home Improvement Contractor |
- According to the New York Department of Consumer Affairs, 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 William Liang at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H0449830000 |
| Status | Inactive |
| County | Nassau County |
| Type | Home Improvement Contractors |
- According to the Nassau County Office of Consumer Affairs, 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 William Liang at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-F213064-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 William Liang at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | H04498300 |
| Status | Inactive |
| County | Nassau County |
| Type | Home Improvement Contractors |
- According to the Nassau County Office of Consumer Affairs, 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 William Liang at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Utica First Insurance Cco |
Insured
| Workers Comp Provider | New York State Ins Fund |
15
Permits
- Building permit records show that William Liang has worked on 15 permitted projects.
William Liang Employees
WL
William Liang
Owner
WL
William Liang
Owner