# 446 West 23rd Street, Manhattan

Co-op · 5 units · built c. 1857 · Block 720, Lot 70.

On Umarelli: https://umarelli.org/nyc/1007200070/446-west-23-street

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

Every lot on block 720: https://umarelli.org/nyc/manhattan/720.md

## Building permits

- Alteration, filed Apr 23, 2025, estimated cost $100K, described as “Hereby filing for the interior renovaitno of unit #4. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $1,830,150
- 2026–27 tax: $111,451
- Market value (city estimate): $4,067,000
- Taxable value: $1,086,032
- Assessed land: $406,350
- Assessed improvements: $1,423,800

## Tax breaks

- Co-op and condo abatement, with no end date, a $23,641 credit this tax year.

## Zoning

R7B: floor area ratio 2.95 built, 3.00 allowed by base zoning.

## Recent sales

- Jun 7, 2021: $2,450,000
- Sep 7, 2016: $2,200,000

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 Extension (Historic District). 9 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