621 Union Avenue, Brooklyn
Apartment building · 5 units · built 1910 · Block 2292, Lot 18.
Building permits
- Alteration — Multi-Family, filed Sep 9, 2025, estimated cost $1K, 9 units
- Major Renovation — Multi-Family, filed Aug 5, 2024, estimated cost $2.4M, 9 units, 6 stories
- Alteration — Multi-Family, filed May 17, 2022, estimated cost $33K, 4 units, 3 stories
Property taxes
- Assessment
- $864,000
- Last year’s tax
- $11,724
- Land value
- $202,950
- Improvement value
- $661,050
Zoning
M1-2/R6A: built 1.62 of 3.00 allowed floor area ratio.