590 Union Street, Brooklyn
Auto repair · built 1994 · Block 441, Lot 18.
Building permits
- New Building — Multi-Family, filed Apr 28, 2025, 24 units, 8 stories, described as “Application filed herewith to erect a new eight story + cellar residential buidling with a total of twenty four dwelling units”
- Alteration, filed Jun 29, 2026, estimated cost $12K, described as “Installation of temporary engineered enclosure system as per plans. Temporary equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Jun 29, 2026, estimated cost $16K, described as “Installation of pipe scaffolding and heavy duty sidewalk shed as per plans. Temporary equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Feb 25, 2025, estimated cost $160, described as “Proposed 8FT construction fence. No change to use, egress or occupancy under this application.”
- Demolition, filed Feb 10, 2025, estimated cost $10K, described as “Full demolition to a one story building”
Property taxes
- Assessment
- $63,000
- 2026–27 tax
- $6,834
- Market value (city estimate)
- $140,000
- Taxable value
- $63,000
- Assessed land
- $41,850
- Assessed improvements
- $21,150
Zoning
M1-4/R7A: floor area ratio 0.31 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 16, 2025: $4,500,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Gowanus Neighborhood Plan (City Planning 2018K0382): Zoning map change, Zoning text change, City map change, Urban development action area, Completed, decided Dec 6, 2021. The Gowanus Neighborhood Plan is a shared, long-term vision for a thriving neighborhood. It looks to identify strategies for an equitable, resilient and sustainable Gowanus, with more local jobs and housing. The Plan supports community…
In the news
Excavation Progresses At 590 Union Street in Gowanus, Brooklyn, New York YIMBY, Jun 14, 2026.