# 436 Union Avenue, Brooklyn

Vacant land · Block 2761, Lot 4.

On Umarelli: https://umarelli.org/nyc/3027610004/436-union-avenue

More construction in East Williamsburg: https://umarelli.org/nyc/brooklyn/east-williamsburg.md

## Building permits

- New Building — Multi-Family, filed Jun 15, 2022, 13 units, 8 stories, described as “Proposed 8 story mixed use building”
- Alteration, filed May 30, 2025, estimated cost $5K, described as “Installation of a temporarily heavy-duty sidewalk shed and supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 26, 2025, estimated cost $7K, described as “Installation of temporary needle beam per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 26, 2025, estimated cost $5K, described as “Installation of temporary roof protection per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 26, 2025, estimated cost $5K, described as “Installation of temporary overhead protection per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 18, 2025, described as “Installation of temporary supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Mar 18, 2025, described as “Installation of temporary sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Feb 11, 2025, described as “Filling for supported scaffold plan”
- Alteration, filed Sep 25, 2024, estimated cost $5K, described as “Installation of a temporarily supported scaffold and heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Sep 17, 2024, estimated cost $500, described as “Engineered enclosure system in conjunction with new construction. To comply with 3309.17”
- Alteration, filed Nov 29, 2022, estimated cost $5K, described as “Installation of Construction fence in conjunction with NB #B00742563-I1”
- Alteration, filed Sep 8, 2022, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”
- Alteration, filed May 25, 2022, estimated cost $20K, described as “Foundation and Earthwork filed in conjunction with NB#B00742563-I1”
- Alteration, filed Oct 27, 2018, estimated cost $3K, described as “Sidewalk fence related to Job# 340626987”

## Property taxes

- Assessment: $16,080
- 2026–27 tax: $3,191
- Market value (city estimate): $268,000
- Taxable value: $16,080
- Assessed land: $16,080

## Zoning

R7A: floor area ratio 0.00 built, 4.00 allowed by base zoning.

## Recent sales

- Dec 16, 2024: $3,500,000

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

## Flood zone

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

## In the news

[Demolition Underway At 436 Union Avenue in Williamsburg, Brooklyn](https://newyorkyimby.com/2025/01/demolition-underway-at-436-union-avenue-in-williamsburg-brooklyn.html), New York YIMBY, Jan 20, 2025.

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