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Location and Projects

Address
143 W 21ST ST, Manhattan, NY, 10011
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Traditional Line, Ltd Construction

Based in Manhattan, Traditional Line, Ltd specializes in high-end residential renovations throughout New York City. Founded in 1995, the firm focuses on projects in landmarked buildings and prewar co-ops, navigating the complexities of city permitting, board approvals, and historical preservation. Their portfolio includes kitchen and bathroom remodels, full-apartment gut renovations, and period-appropriate restorations of architectural details such as millwork, parquet flooring, and original moldings. Traditional Line, Ltd serves homeowners seeking to modernize while retaining historic character, often collaborating with architects and interior designers to achieve custom finishes and layouts suited to older properties. Their methodical approach emphasizes coordination with building management and careful protection of common areas during construction.

Traditional Line, Ltd Contact Information

Phone: (212) 627-3555 Edit
Address: 143 W 21ST ST, Manhattan, NY 10011 Edit

Traditional Line, Ltd Manhattan

Quality

105
92nd percentile
Pro tip: We generally recommend hiring a contractor with a score higher than 95.
Traditional Line, Ltd has a BuildZoom score of 105, which places them above 92% of 77,888 contractors in New York.

Activity

3 projects
2025
3 projects
2024
1 project
2023
Our building permit records indicate that Traditional Line, Ltd has worked on at least 7.0 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.

Pricing

1 project
$5k-$20k
2 projects
$20k-$50k
2 projects
$50k-$100k
2 projects
$100k-$250k
2 projects
$500k-$1mil
Value Not Public: 0 projects
The typical size of their permits is approximately $65,000. 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 Traditional Line, Ltd

Sort by: Notable Notable | Date Date | Job Value Job Value
General construction
2025-09-05
Interior renovation of existing 8th floor apartment. general construction work including removals and installation of non-load-bearing partitions cabinetry doors flooring as per plans submitted
Valuation:
$600,000
Permit #:
M00999946-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2022-03-05
Renovation of an existing apartment #9a on the ninth floor. work to include non-structural demolition and general construction as per plans filed herewith. no change to use egress or occupancy
Valuation:
$300,000
Permit #:
M00544033-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2024-09-08
Interior renovations to apartment. #5ab including new non-load bearing/non-rated partitions at existing kitchenette; new non-load bearing rated partitions & door at stair landing; finishes; new recirculation range hood and new grill/louver as per plans filed
Valuation:
$116,000
Permit #:
M00956652-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2024-06-01
Minor interior renovation of existing 32nd floor apartment as per plans submitted. work includes installation of drip pan for washing machine at laundry closet shelving at dressing rooms and closets. plumbing fixture work filed under document s1
Valuation:
$35,000
Permit #:
M00876271-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2024-09-24
Repair renovation of exterior cladding at existing 2 story rear addition. window glazing maintenance and repairs: glass-only replacement in existing sash and frame
Valuation:
$65,000
Permit #:
B01094013-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical systems
2025-09-08
Mechanical work filed in conjunction with interior renovations being made to the 9th and 10th floors. no change to use egress or occupancy under this application
Valuation:
$15,000
Permit #:
M00977737-S1-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical systems
2022-03-05
Installation of 2 new split air conditioning systems in existing co-op residence. no change in egress use or occupancy
Valuation:
$70,000
Permit #:
M00544033-S2-MS
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2022-03-05
Interior renovation of the kitchen in existing apartment 33a and installation of new humidification system; installation of new wood flooring in rooms as per the flooring plan - under this application. no changes to use or occupancy
Valuation:
$170,050
Permit #:
M00662359-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2025-09-08
Interior renovation and duplex combination of units 102 and 103 on the 9th floor and penthouse
Valuation:
$162,960
Permit #:
M00977737-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Structural
2025-09-08
Structural work filed in conjunction with interior renovations on the 9th and 10th floors. no change of use egress or occupancy under this application
Valuation:
$15,580
Permit #:
M00977737-S3-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2023-12-31
Combination of servants rooms #239 and #240 on the 8th floor per tppn 3/97; demolition of non-loadbearing partitions; construction of new partitions; no change to use egress or occupancy
Valuation:
$25,000
Permit #:
M00684716-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2021-12-31
Herewith filing to renovate apartment. 81; no change to use occupancy or egress
Valuation:
$96,000
Permit #:
M00532403-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A2 - alteration type 2
2019-08-02
Alteration type 2 - mech/hvac mechanical work filed in conjunction with interior partition repairs and finishes on the fifth floor and penthouse south. no change in use occupancy or egress
Valuation:
$38,000
Permit #:
123684780-02-EW-MH
Status:
issued
Fee:
$349
Permit Type:
N/A
Building Type:
N/A
General construction
2021-12-31
Combination of apartments #7a and #7b; demolition of non-loadbearing partitions; installation of doors; no change to use egress or occupancy
Valuation:
$20,000
Permit #:
M00559440-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
General construction
2022-06-01
Filing to combine units 8/9 per tppn 03-97. demolish and install interior non-bearing partitions and hung ceilings per plans filed
Valuation:
$2,500
Permit #:
M00652742-I1-GC
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Structural
2022-06-01
Lintel installation for apartment 8/9 combination
Valuation:
$7,500
Permit #:
M00652742-S1-ST
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A2 - alteration type 2
2020-09-24
No Description Available
Valuation:
N/A
Permit #:
122524697-02-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A2 - alteration type 2
2020-08-25
No Description Available
Valuation:
N/A
Permit #:
123447788-03-EW-MH
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A2 - alteration type 2
2020-07-30
No Description Available
Valuation:
N/A
Permit #:
140920555-01-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A2 - alteration type 2
2020-08-25
No Description Available
Valuation:
N/A
Permit #:
123447788-03-EW-OT
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A

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