510 9th Avenue, Manhattan
Apartment building · 22 units · built c. 1920 · Block 762, Lot 5.
Building permits
- Alteration, filed Mar 3, 2026, estimated cost $649K, described as “Interior renovation of existing 22 unit apartment building with stores including window replacement and new roof.”
Property taxes
- Assessment
- $1,120,050
- 2026–27 tax
- $129,169
- Market value (city estimate)
- $2,489,000
- Taxable value
- $1,038,420
- Assessed land
- $144,900
- Assessed improvements
- $975,150
Zoning
C1-7A: floor area ratio 4.60 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 23, 2026: $5,500,026, 11,341 sq ft ($485 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.