831 Union Street, Brooklyn
Four-family · built c. 1920 · Block 954, Lot 56.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,540,800
- 2026–27 tax
- $13,149
- Market value (city estimate)
- $3,424,000
- Taxable value
- $105,710
- Assessed land
- $443,700
- Assessed improvements
- $1,097,100
Zoning
R6A: floor area ratio 2.67 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.