447 West 21st Street, Manhattan
Single family · built c. 1857 · Block 719, Lot 14.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $373,260
- 2026–27 tax
- $39,227
- Market value (city estimate)
- $6,221,000
- Taxable value
- $197,688
- Assessed land
- $146,340
- Assessed improvements
- $226,920
Zoning
R7B: floor area ratio 2.02 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.
Landmarks
Part of Chelsea Historic District (Historic District). 8 Landmarks Preservation Commission permits are on file.