# 731 Liberty Avenue, Brooklyn

Apartment building · 10 units · built 2022 · Block 3971, Lot 50.

On Umarelli: https://umarelli.org/nyc/3039710050/731-liberty-avenue

More construction in East New York: https://umarelli.org/nyc/brooklyn/east-new-york.md

## Building permits

- New Building — Multi-Family, filed Nov 10, 2021, estimated cost $747K, 10 units, 4 stories, described as “Proposed four (4) story with penthouse, mixed-use building.”
- Alteration, filed Aug 20, 2022, estimated cost $4K, described as “Installation of medium duty scaffold.”
- Alteration, filed Jul 31, 2022, estimated cost $4K, described as “Install heavy duty sidewalk shed as per plan.”
- Alteration, filed Apr 11, 2022, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code. Live load 300PSF.”
- Alteration, filed Mar 10, 2022, estimated cost $160, described as “Proposed construction fence. No change to use, egress or occupancy under this application.”

## Property taxes

- Assessment: $570,150
- 2026–27 tax: $1,426
- Market value (city estimate): $1,267,000
- Taxable value: $11,462
- Assessed land: $69,300
- Assessed improvements: $500,850

## Tax breaks

- 421-a exemption, through Jun 30, 2058, about $69,495 a year below the full tax.

## Zoning

R6A: floor area ratio 2.99 built, 3.00 allowed by base zoning.

## Recent sales

- Oct 30, 2024: $3,400,000
- May 20, 2021: $700,000
- Mar 8, 2016: $475,000

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 731 Liberty Avenue in East New York, Brooklyn](https://newyorkyimby.com/2023/03/permits-filed-for-731-liberty-avenue-in-east-new-york-brooklyn.html), New York YIMBY, Mar 16, 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