# 303 West 21st Street, Manhattan

Apartment building · 15 units · built c. 1900 · Block 745, Lot 31.

On Umarelli: https://umarelli.org/nyc/1007450031/303-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 Oct 15, 2026, described as “Installation of suspended scaffold for facade repair & inspection.”
- Alteration, filed Oct 13, 2026, 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 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed May 22, 2025, estimated cost $5K, described as “Construction fence in conjunction with job # M00871133-I1”
- Alteration, filed Sep 6, 2024, 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 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Aug 5, 2024, estimated cost $475K, described as “Facade repairs as indicated on plans submitted herewith. There is no change in use, egress or occupancy.”
- Alteration, filed Jul 26, 2024, described as “Installation of a suspended scaffold for Facade Inspection and repair as per plan submitted. No change to egress or occupancy.”
- Alteration, filed May 30, 2023, estimated cost $83K, described as “At existing front entrance and lobby area proposed renovations as indicated on plans submitted herewith. There is no change in use, egress or occupancy.”

## Property taxes

- Assessment: $1,305,900
- 2026–27 tax: $134,196
- Market value (city estimate): $2,902,000
- Taxable value: $1,078,830
- Assessed land: $85,950
- Assessed improvements: $1,219,950

## Zoning

R7B: floor area ratio 3.88 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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