311 West 21st Street, Manhattan
Apartment building · 15 units · built c. 1900 · Block 745, Lot 28.
Building permits
- Alteration, filed Jul 29, 2019, estimated cost $4K, described as “Proposed installation of heavy duty sidewalk shed for remedial repairs as per plans. No change in use occupancy or egress under this application. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code.”
Property taxes
- Assessment
- $1,664,550
- 2026–27 tax
- $163,113
- Market value (city estimate)
- $3,699,000
- Taxable value
- $1,311,300
- Assessed land
- $85,500
- Assessed improvements
- $1,579,050
Zoning
R7B: floor area ratio 3.92 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
- Aug 30, 2016: $2,380,000
Open-market sales since 2016, from the Department of Finance’s sales files.