452 West 23rd Street, Manhattan
Co-op · 9 units · built c. 1856 · Block 720, Lot 73.
Building permits
- Alteration, filed May 21, 2024, estimated cost $42K, described as “Repair work at the north (west 23RD street) facade, including resurfacing deteriorated brownstone, utilizing a cementitious stucco mix, at select locations; and repainting brown the light grey-painted brownstonethroughout the facade.”
- Alteration, filed Jan 31, 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 Jan 30, 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.”
Property taxes
- Assessment
- $1,414,350
- 2026–27 tax
- $79,145
- Market value (city estimate)
- $3,143,000
- Taxable value
- $636,267
- Assessed land
- $354,600
- Assessed improvements
- $1,059,750
Zoning
R7B: floor area ratio 2.93 built, 3.00 allowed by base zoning.
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). 5 Landmarks Preservation Commission permits are on file.