1591 Union Street, Brooklyn
Two-family · built c. 1901 · Block 1394, Lot 60.
Building permits
- Alteration, filed Aug 14, 2025, estimated cost $80K, described as “Installation of solar panels on existing roof. No change in use, occupancy, or egress. No change in bulk”
Property taxes
- Assessment
- $113,760
- 2026–27 tax
- $5,319
- Market value (city estimate)
- $1,896,000
- Taxable value
- $58,876
- Assessed land
- $19,620
- Assessed improvements
- $94,140
Tax breaks
- Solar abatement, through Jun 30, 2030, a $6,364 credit this tax year.
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
- May 5, 2025: $1,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.