# 21 Adelphi Street, Brooklyn

Apartment building · 8 units · built c. 1915 · Block 2032, Lot 14.

On Umarelli: https://umarelli.org/nyc/3020320014/21-adelphi-street

More construction in Brooklyn Navy Yard: https://umarelli.org/nyc/brooklyn/brooklyn-navy-yard.md

Every lot on block 2032: https://umarelli.org/nyc/brooklyn/2032.md

## Building permits

- Alteration, filed Jul 25, 2022

## Property taxes

- Assessment: $841,500
- 2026–27 tax: $11,503
- Market value (city estimate): $1,870,000
- Taxable value: $92,472
- Assessed land: $7,650
- Assessed improvements: $833,850

## Zoning

M1-2: floor area ratio 2.20 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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