448 West 23rd Street, Manhattan
Apartment building · 5 units · built c. 1856 · Block 720, Lot 71.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,995,300
- 2026–27 tax
- $128,444
- Market value (city estimate)
- $4,434,000
- Taxable value
- $1,032,590
- Assessed land
- $1,390,500
- Assessed improvements
- $604,800
Zoning
R7B: floor area ratio 3.65 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.
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). 1 Landmarks Preservation Commission permit is on file.