# 255 West 23rd Street, Manhattan

Co-op · 151 units · built 1940 · Block 773, Lot 12.

On Umarelli: https://umarelli.org/nyc/1007730012/255-west-23-street

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

Every lot on block 773: https://umarelli.org/nyc/manhattan/773.md

## Building permits

- Alteration, filed Apr 14, 2025, estimated cost $113K, described as “Apt. #1EW, install minor interior partitions and new finishes. Plumbing work filed under subsequent S1 application. No change in egress, occupancy, or use.”
- Alteration, filed Nov 9, 2024, estimated cost $25K, described as “Hereby filing for renovation to apartment 2G. Filing to address violation 39127836L. No change in use, egress or occupancy.”
- Alteration, filed Sep 4, 2024, estimated cost $850, described as “Replacement face only of illuminated non-advertising accessory wall sign - in property lines - ubreakifix. No change of use, egress or occupancy.”
- Alteration, filed Jun 26, 2024, estimated cost $50K, described as “Floor joist repair in crawl space under apartment B & C - GC & ST - as per drawings filed herewith. No change to use egress or occupancy as a part of this application.”
- Alteration, filed Jul 28, 2023, estimated cost $185K, described as “Renovation of an existing apartment#4EE on the 4th Floor. Work to include non-structural demolition, general construction and window replacement as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Jul 16, 2020, estimated cost $18K, described as “Plumbing work associated with application 140924702 renovation of unit # 6AW on the 6TH floor”
- Alteration, filed Feb 5, 2020, estimated cost $8K, described as “Installation of new sidewalk shed at 250 west 24 street as indicated on plans. There will be no change in the use, egress, or occupancy under this application.”
- Alteration, filed Feb 5, 2020, estimated cost $8K, described as “Installation of new sidewalk shed at 255 west 23 street as indicated on plans. There will be no change in the use, egress, or occupancy under this application.”

## Property taxes

- Assessment: $18,090,900
- 2026–27 tax: $1,720,866
- Market value (city estimate): $40,202,000
- Taxable value: $15,757,319
- Assessed land: $3,870,000
- Assessed improvements: $14,220,900

## Tax breaks

- Co-op and condo abatement, with no end date, a $241,225 credit this tax year.

## Zoning

R8A (part of the lot is C2-7A): floor area ratio 4.03 built, 6.02 allowed by base zoning.

## Recent sales

- Aug 13, 2026: $450,000
- Aug 4, 2026: $999,000
- Jul 15, 2026: $2,425,000
- May 28, 2026: $542,500
- Feb 9, 2026: $999,999
- Dec 18, 2025: $800,000
- Nov 13, 2025: $1,750,000
- Jul 15, 2025: $595,000
- May 15, 2025: $1,625,000
- Apr 30, 2025: $570,000

The 10 most recent of 80 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