# 866 Flatbush Avenue, Brooklyn

Two-family with store · built c. 1931 · Block 5082, Lot 42.

On Umarelli: https://umarelli.org/nyc/3050820042/866-flatbush-avenue

More construction in Flatbush: https://umarelli.org/nyc/brooklyn/flatbush.md

Every lot on block 5082: https://umarelli.org/nyc/brooklyn/5082.md

## Building permits

- Alteration, filed Oct 21, 2024, described as “Two new boilers installation inside apartments each. In conjunction with B00959844 and B00930953”
- Alteration, filed Jan 5, 2024, estimated cost $30K, described as “Demolition of existing gas boiler and one hot water heater in cellar, bathrooms and kitchens renovation in apt #1 & #2. New combi-boiler on 2-nd and 3-rd floor. In conjunction with # B00930953”
- Alteration, filed Oct 24, 2023, estimated cost $178K, described as “Residential occupancy extension to the entire second floor. Second and third floor interior renovation. New stair and associated structural work. New ac units installation.”

## Property taxes

- Assessment: $142,680
- 2026–27 tax: $11,462
- Market value (city estimate): $2,378,000
- Taxable value: $57,761
- Assessed land: $19,020
- Assessed improvements: $123,660

## Zoning

R7A: floor area ratio 1.93 built, 4.00 allowed by base zoning.

## Recent sales

- Oct 28, 2021: $1,200,000

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

## Flood zone

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

## Board and land use applications

- Flatbush Avenue BID Expansion (City Planning 2023K0228): Business improvement district, Completed, filed Dec 14, 2022, decided Feb 20, 2024. An application from the Department of Small Business Services (SBS) to expand and amend the Flatbush Avenue Business Improvement District in Community Districts 9 and 14 of Brooklyn. (The map below shows the approximate boundary; Please…

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