354 West 23rd Street, Manhattan
Co-op · 13 units · built c. 1900 · Block 746, Lot 71.
Building permits
- Alteration, filed Aug 27, 2026, estimated cost $21K, described as “Filing interior renovation to Apt 1B as per plans. No change in use, egress, or occupancy under this application. Plumbing to be filed separately.”
- Alteration, filed Feb 28, 2024, estimated cost $25K, described as “Scope of work at apartment GC cellar for new powder room and entryway as per plans filed herewith. No change to use, egress, or occupancy under this application.”
- Alteration, filed Feb 12, 2024, described as “Facade Inspection & Minor Repairs”
- Alteration, filed Jan 22, 2019, estimated cost $1K, described as “Installation of temporary 48' high pipe scaffold originating (off shed) for facade repair work as per plan. No change in use egress or occupancy,pipe scaffold shall comply with CHAPTER#33 of 2014 the ny building code.heavy duty sidewalk…”
- Alteration, filed Jan 22, 2019, 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 300PSF.”
Property taxes
- Assessment
- $1,189,800
- 2026–27 tax
- $107,662
- Market value (city estimate)
- $2,644,000
- Taxable value
- $980,169
- Assessed land
- $144,000
- Assessed improvements
- $1,045,800
Tax breaks
- Co-op and condo abatement, with no end date, a $14,265 credit this tax year.
Zoning
C1-6A: floor area ratio 3.04 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 27, 2026: $785,000
- Dec 19, 2025: $1,100,000
- Oct 6, 2025: $350,000
- Oct 29, 2024: $665,000
- May 30, 2023: $405,000
- Oct 26, 2022: $1,165,000
- Jul 21, 2022: $940,000
- Aug 12, 2021: $425,000
- Jun 15, 2021: $755,000
- May 1, 2020: $820,000, Apt 3B
The 10 most recent of 12 open-market sales since 2016, from the Department of Finance’s sales files.