255 West 23rd Street, Manhattan
Co-op · 151 units · built 1940 · Block 773, Lot 12.
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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
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.