# 335 West 21st Street, Manhattan

Co-op · 20 units · built c. 1920 · Block 745, Lot 16.

On Umarelli: https://umarelli.org/nyc/1007450016/335-west-21-street

More construction in Chelsea: https://umarelli.org/nyc/manhattan/chelsea.md

Every lot on block 745: https://umarelli.org/nyc/manhattan/745.md

## Building permits

- Alteration, filed Jan 28, 2025, estimated cost $1K, described as “Plumbing work associated with (ot) job #M0116692. Relocation of 1 fixtures and 3 new fixtures for kitchen and bathroom”
- Alteration, filed Jan 28, 2025, estimated cost $30K, described as “Enovation of existing unit #re. Remove and construct partitions. Plumbing to be filed under separate application. No change in use, egress or occupancy.”
- Alteration, filed Jun 3, 2024, estimated cost $10K, described as “Combine apartments 1RE & 1RW into one on 2ND floor. This application is filed for plumbing work in conjunction with general work type (ot) application #M01056827-I1, no change in use, occupancy or egress.”
- Alteration, filed Jun 3, 2024, estimated cost $16K, described as “Interior renovation of unit 1RE and 1RW on the 2ND floor. Removal and installation of non-loadbearing partitions, new finishes and millwork per plans. No change in use, egress or occupancy.”
- Alteration, filed Jun 18, 2020, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code. Live load 300 psf”
- Alteration, filed Sep 12, 2019, estimated cost $1K, described as “Installation of temporary 65' high pipe scaffold originating (off shed) for remedial repair work as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code”

## Property taxes

- Assessment: $1,558,350
- 2026–27 tax: $145,630
- Market value (city estimate): $3,463,000
- Taxable value: $1,364,231
- Assessed land: $82,350
- Assessed improvements: $1,476,000

## Tax breaks

- Co-op and condo abatement, with no end date, a $24,237 credit this tax year.

## Zoning

R7B: floor area ratio 4.15 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 20, 2026: $407,000
- Aug 26, 2025: $650,000
- Feb 7, 2024: $407,000
- Aug 23, 2023: $420,000
- Jul 21, 2022: $680,000
- Jun 24, 2022: $392,000
- Dec 30, 2021: $425,000
- Oct 29, 2019: $717,000
- Jan 15, 2019: $640,000
- Jul 31, 2018: $445,000

The 10 most recent of 13 open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology