313 West 21st Street, Manhattan
Apartment building · 35 units · built c. 1938 · Block 745, Lot 26.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $2,411,550
- 2026–27 tax
- $268,597
- Market value (city estimate)
- $5,359,000
- Taxable value
- $2,159,310
- Assessed land
- $274,950
- Assessed improvements
- $2,136,600
Zoning
R7B: floor area ratio 4.15 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 28, 2026: $8,500,000, 20,496 sq ft ($415 per sq ft)
- Dec 31, 2021: $14,500,000
Open-market sales since 2016, from the Department of Finance’s sales files.