1640 Union Street, Brooklyn
Two-family · built c. 1901 · Block 1401, Lot 37.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $102,900
- 2026–27 tax
- $7,593
- Market value (city estimate)
- $1,715,000
- Taxable value
- $38,263
- Assessed land
- $21,540
- Assessed improvements
- $81,360
Zoning
R4: floor area ratio 1.66 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 18, 2023: $2,087,413, sold with other lots
- Jul 27, 2022: $1,350,000
Open-market sales since 2016, from the Department of Finance’s sales files.