456 West 20th Street, Manhattan
Three-family · built c. 1853 · Block 717, Lot 72.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $429,060
- 2026–27 tax
- $38,185
- Market value (city estimate)
- $7,151,000
- Taxable value
- $192,436
- Assessed land
- $135,540
- Assessed improvements
- $293,520
Zoning
R7B: floor area ratio 2.21 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard. 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).