457 West 24th Street, Manhattan
Four-family · built c. 1850 · Block 722, Lot 7.
Building permits
- Alteration, filed Jul 8, 2026, estimated cost $479K, described as “Minor interior demolition, renovation, and alteration of existing 4-family residence to be converted to a 2-family residence. Work to include general construction, carpentry, and fixtures,. No exterior work proposed. No change in building…”
Property taxes
- Assessment
- $1,144,350
- 2026–27 tax
- $55,002
- Market value (city estimate)
- $2,543,000
- Taxable value
- $442,172
- Assessed land
- $387,000
- Assessed improvements
- $757,350
Zoning
R7B: floor area ratio 1.38 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone X, moderate risk: a 0.2% chance of flooding each year.
Landmarks
Part of 457 West 24th Street House (Individual Landmark). 8 Landmarks Preservation Commission permits are on file.