457 West 21st Street, Manhattan
Apartment building · 10 units · built c. 1854 · Block 719, Lot 9.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,096,650
- 2026–27 tax
- $65,745
- Market value (city estimate)
- $2,437,000
- Taxable value
- $528,541
- Assessed land
- $230,400
- Assessed improvements
- $866,250
Zoning
R7B: floor area ratio 2.29 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 (Historic District). 3 Landmarks Preservation Commission permits are on file.