# 6724 21st Avenue, Brooklyn

Four-family · built c. 1931 · Block 5571, Lot 43.

On Umarelli: https://umarelli.org/nyc/3055710043/6724-21-avenue

More construction in Bensonhurst: https://umarelli.org/nyc/brooklyn/bensonhurst.md

Every lot on block 5571: https://umarelli.org/nyc/brooklyn/5571.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $407,700
- 2026–27 tax: $16,437
- Market value (city estimate): $906,000
- Taxable value: $132,144
- Assessed land: $94,950
- Assessed improvements: $312,750

## Zoning

R5: floor area ratio 1.52 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Oct 25, 2023: $1,730,000

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

## Flood zone

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

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