317 West 21st Street, Manhattan
Apartment building · 20 units · built c. 1900 · Block 745, Lot 25.
Building permits
- Alteration, filed Dec 6, 2021, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
Property taxes
- Assessment
- $539,100
- 2026–27 tax
- $67,059
- Market value (city estimate)
- $1,198,000
- Taxable value
- $539,100
- Assessed land
- $85,500
- Assessed improvements
- $453,600
Zoning
R7B: floor area ratio 5.29 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.