# 257 6th Avenue, Brooklyn

Two-family · built c. 1901 · Block 963, Lot 6.

On Umarelli: https://umarelli.org/nyc/3009630006/257-6-avenue

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

Every lot on block 963: https://umarelli.org/nyc/brooklyn/963.md

## Building permits

- Alteration, filed Oct 25, 2022, estimated cost $226K, described as “Interior renovation of existing two family residence. Change from simplex over triplex to triplex over simplex. Partition work. Replace windows , mechanical work.”

## Property taxes

- Assessment: $311,340
- 2026–27 tax: $11,262
- Market value (city estimate): $5,189,000
- Taxable value: $56,753
- Assessed land: $41,160
- Assessed improvements: $270,180

## Zoning

R6B: floor area ratio 2.22 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Sep 22, 2022: $3,645,170

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

## Flood zone

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

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