# 463 West 21st Street, Manhattan

Co-op · 6 units · built c. 1836 · Block 719, Lot 6.

On Umarelli: https://umarelli.org/nyc/1007190006/463-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 27, 2024, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Aug 27, 2024, estimated cost $5K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Jul 29, 2024, estimated cost $104K, described as “Interior renovation of a 1000 ft unit located on the 3rd floor, work to include general construction and plumbing (PL to be filed as a subsequent to the GC), there is no change to use, egress or occupancy.”
- Alteration, filed Feb 16, 2023, estimated cost $35K, described as “Interior renovation of powder room & kitchen. New finishes and partition. Replace 2 plumbing fixtures in the same location. Replace existing light fixtures with led fixtures. No change of use, egress, or bulk.”
- Alteration, filed Jun 17, 2022, estimated cost $20K, described as “Herewith file application to repair and replace existing steel railing and wood fence on roof; no change to use, egress, or occupancy.”

## Property taxes

- Assessment: $2,097,900
- 2026–27 tax: $92,835
- Market value (city estimate): $4,662,000
- Taxable value: $871,360
- Assessed land: $314,100
- Assessed improvements: $1,783,800

## Tax breaks

- Co-op and condo abatement, with no end date, a $15,554 credit this tax year.

## Zoning

R7B: floor area ratio 2.49 built, 3.00 allowed by base zoning.

## Recent sales

- May 2, 2024: $1,425,000
- Feb 11, 2022: $1,600,000
- Oct 15, 2020: $697,308, Unit G

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

## Flood zone

Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NAVD88).

## Landmarks

Part of Chelsea Historic District (Historic District). 10 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
