# 403 West 21st Street, Manhattan

Co-op · 10 units · built c. 1889 · Block 719, Lot 37.

On Umarelli: https://umarelli.org/nyc/1007190037/403-west-21-street

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

Every lot on block 719: https://umarelli.org/nyc/manhattan/719.md

## Building permits

- Alteration, filed Aug 13, 2021, 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 Jan 15, 2021, estimated cost $12K, described as “Replace existing loose stucco approximately 400 sqft.”
- Alteration, filed Jul 8, 2020, estimated cost $2K, described as “Install 1 washing machine and water and sanitary piping”

## Property taxes

- Assessment: $1,687,500
- 2026–27 tax: $67,131
- Market value (city estimate): $3,750,000
- Taxable value: $594,272
- Assessed land: $423,000
- Assessed improvements: $1,264,500

## Tax breaks

- Co-op and condo abatement, with no end date, a $6,799 credit this tax year.

## Zoning

R7B: floor area ratio 3.94 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Dec 18, 2024: $860,000
- Nov 29, 2017: $650,000
- Nov 16, 2017: $655,000
- Feb 8, 2016: $460,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

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

## Landmarks

Part of Chelsea Historic District (Historic District). 17 Landmarks Preservation Commission permits are on file.

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