# 543 Union Street, Brooklyn

Industrial condominium · Block 432, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3004327501/543-union-street

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

## Building permits

- Alteration, filed Nov 15, 2024, estimated cost $5K, described as “Installation of 300PSF sidewalk shed and pipe scaffolding as per plans. All equipment shall comply with chapter # 33 of the NYC code 2022. No use in egress or occupancy under this application.”
- Alteration, filed Nov 17, 2023, estimated cost $20K, described as “Propose exterior work to repair existing steel and sheet metal bridges above the side yard of existing building. No change in use, egress & occupancy.”
- Alteration, filed Jan 9, 2019, estimated cost $5K, described as “Installation of a heavy duty sidewalk shed approximately 26' long as per plans during general construction work. No change in use, egress or occupancy. Sidewalk shed to comply with chapter 33 of NYC building code of 2014.”

## Property taxes

- Assessment: $1,007,999
- 2026–27 tax: $94,419
- Market value (city estimate): $2,240,000
- Taxable value: $870,375
- Assessed land: $71,999
- Assessed improvements: $936,000
- Condo units with their own tax lots: 21

## Tax breaks

- Nonprofit exemption (charitable), with no end date, about $7,565 a year below the full tax.

## Zoning

M1-4/R7-2: floor area ratio 2.40 built, 3.44 allowed by base zoning.

## Recent sales

- Jun 24, 2020: $212,500, Apt 3A

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

## Flood zone

Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 10 ft (NGVD29).

## 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 Imminent for Four-Building Complex at 300 Nevins Street in Gowanus, Brooklyn](https://newyorkyimby.com/2023/05/excavation-imminent-for-four-building-complex-at-300-nevins-street-in-gowanus-brooklyn.html), New York YIMBY, May 29, 2023.

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