2100 Union Street, Brooklyn
Industrial · built 1930 · Block 3531, Lot 32.
Building permits
- Alteration, filed Jan 27, 2026, estimated cost $1
- Alteration, filed Jan 27, 2026, estimated cost $5K
- Alteration, filed Jan 27, 2026, estimated cost $1
- Alteration — Large Residential, filed Jan 27, 2026, estimated cost $6K, 96 units
- Major Renovation — Mid-Rise, filed Aug 11, 2025, estimated cost $13.9M, 96 units, 11 stories
- Alteration, filed Feb 19, 2020, estimated cost $1K, 2 stories
- Alteration, filed Sep 30, 2019, estimated cost $8K
Property taxes
- Assessment
- $387,450
- Last year’s tax
- $39,600
- Land value
- $90,000
- Improvement value
- $297,450
Zoning
R6: built 1.00 of 4.80 allowed floor area ratio.
In the news
Permits Filed for 2100 Union Street in Brownsville, Brooklyn, New York YIMBY, Jul 3, 2025.