340 West 15th Street, Manhattan
Apartment building · 10 units · built c. 1900 · Block 738, Lot 62.
Building permits
- Alteration, filed Nov 8, 2026, estimated cost $306K, described as “Herewith filing for conversion of sro units into class "a" apartments as per plans filed”
- Alteration, filed Oct 7, 2026, estimated cost $34K, described as “General construction as per plans herewith filed.”
Property taxes
- Assessment
- $2,232,450
- 2026–27 tax
- $32,977
- Market value (city estimate)
- $4,961,000
- Taxable value
- $265,106
- Assessed land
- $145,350
- Assessed improvements
- $2,087,100
Zoning
R8B: floor area ratio 1.87 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 23, 2016: $5,100,000
Open-market sales since 2016, from the Department of Finance’s sales files.