# 851 Flatbush Avenue, Brooklyn

Two-family with store · built c. 1931 · Block 5086, Lot 5.

On Umarelli: https://umarelli.org/nyc/3050860005/851-flatbush-avenue

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

Every lot on block 5086: https://umarelli.org/nyc/brooklyn/5086.md

## Building permits

- Alteration, filed Nov 2, 2023, estimated cost $10K, described as “Install new boilers in cellar. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $91,380
- 2026–27 tax: $12,738
- Market value (city estimate): $1,523,000
- Taxable value: $64,195
- Assessed land: $18,360
- Assessed improvements: $73,020

## Zoning

R7A (part of the lot is R6B): floor area ratio 1.50 built, 4.00 allowed by base zoning.

## 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