# 590 Union Street, Brooklyn

Auto repair · built 1994 · Block 441, Lot 18.

On Umarelli: https://umarelli.org/nyc/3004410018/590-union-street

More construction in Gowanus: https://umarelli.org/nyc/brooklyn/gowanus.md

## 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.

## Recent sales

- Dec 16, 2025: $4,500,000

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## 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](https://newyorkyimby.com/2026/06/excavation-progresses-at-590-union-street-in-gowanus-brooklyn.html), New York YIMBY, Jun 14, 2026.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology