643 9th Avenue, Manhattan
Apartment building · 20 units · built c. 1910 · Block 1055, Lot 29.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $5,037,300
- 2026–27 tax
- $626,590
- Market value (city estimate)
- $11,194,000
- Taxable value
- $5,037,300
- Assessed land
- $576,000
- Assessed improvements
- $4,461,300
Zoning
R8: floor area ratio 4.75 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 8, 2025: $18,000,000, sold with other lots
- Jan 25, 2023: $3,321,100, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- ZANZIBAR (City Planning P2002M0511): Completed, decided Apr 5, 2002. NEW-UNENCLOSED SIDEWALK CAFE
- ZANZIBAR (City Planning P2000M0430): Completed, decided Sep 23, 1999. NEW-UNENCLOSED SIDEWALK CAFE, WITH 34 SEATS