# 5423 15th Avenue, Brooklyn

Vacant land · Block 5484, Lot 1.

On Umarelli: https://umarelli.org/nyc/3054840001/5423-15-avenue

More construction in Borough Park: https://umarelli.org/nyc/brooklyn/borough-park.md

## Building permits

- New Building — Multi-Family, filed Oct 30, 2023, 13 units, 6 stories, described as “Application filed herewith to propose new building with community facility use on the first and second floors and residential use from third to sixth floors”
- Alteration, filed Sep 8, 2026, estimated cost $5K, described as “Installation of 300PSF sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code no change in use, egress or occupancy under this application.”
- Alteration, filed May 31, 2022, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”

## Property taxes

- Assessment: $57,000
- 2026–27 tax: $11,311
- Market value (city estimate): $950,000
- Taxable value: $57,000
- Assessed land: $57,000

## Zoning

R6: floor area ratio 0.00 built, 2.43 allowed by base zoning.

## Recent sales

- Sep 11, 2023: $4,995,000
- Feb 20, 2019: $4,600,000

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

[Permits Filed for 5423 15th Avenue in Borough Park, Brooklyn](https://newyorkyimby.com/2022/07/permits-filed-for-5423-15th-avenue-in-borough-park-brooklyn.html), New York YIMBY, Jul 21, 2022.

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