# 257 Adelphi Street, Brooklyn

Apartment building · 7 units · built c. 1855 · Block 2091, Lot 1.

On Umarelli: https://umarelli.org/nyc/3020910001/257-adelphi-street

More construction in Fort Greene: https://umarelli.org/nyc/brooklyn/fort-greene.md

Every lot on block 2091: https://umarelli.org/nyc/brooklyn/2091.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,342,800
- 2026–27 tax: $13,191
- Market value (city estimate): $2,984,000
- Taxable value: $106,042
- Assessed land: $9,900
- Assessed improvements: $1,332,900

## Zoning

R6B: floor area ratio 0.92 built, 2.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Fort Greene Historic District (Historic District). 3 Landmarks Preservation Commission permits are on file.

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