646 Union Street, Brooklyn
Three-family · built c. 1901 · Block 955, Lot 21.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $169,560
- 2026–27 tax
- $5,963
- Market value (city estimate)
- $2,826,000
- Taxable value
- $30,052
- Assessed land
- $28,920
- Assessed improvements
- $140,640
Zoning
R6A: floor area ratio 1.30 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.