# 250 Flatbush Avenue, Brooklyn

Commercial · built c. 1920 · Block 936, Lot 13.

On Umarelli: https://umarelli.org/nyc/3009360013/254-flatbush-avenue

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

## Building permits

- New Building — Multi-Family, filed Mar 5, 2026, 20 units, 8 stories, described as “Proposed new mixed use commercial/residential building”
- Alteration, filed Mar 5, 2026, estimated cost $20K, described as “Install temporary wood construction fence in conjunction with Demolition operations for FD application # B01359083-I1”
- Demolition, filed Feb 24, 2026, estimated cost $100K, described as “Full Demolition of One Story Brick Building.”
- Alteration, filed Dec 29, 2025, estimated cost $5K, described as “Engineered enclosure system to provide overhead protection of adjacent property during Demolition & New building works.”
- Alteration, filed Oct 9, 2023, estimated cost $3K, described as “Propose temporary construction fence for the building in conjunction with the DOB full demo application #322106966.”

## Property taxes

- Assessment: $1,007,100
- 2026–27 tax: $103,695
- Market value (city estimate): $2,238,000
- Taxable value: $955,890
- Assessed land: $175,500
- Assessed improvements: $831,600

## Zoning

R7A: floor area ratio 0.98 built, 4.00 allowed by base zoning.

## Recent sales

- Feb 3, 2022: $7,540,200

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

[Renderings Revealed for 250 Flatbush Avenue in Park Slope, Brooklyn](https://newyorkyimby.com/2026/04/renderings-revealed-for-250-flatbush-avenue-in-park-slope-brooklyn.html), New York YIMBY, Apr 24, 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