# 6714 21st Avenue, Brooklyn

Four-family · built c. 1931 · Block 5571, Lot 40.

On Umarelli: https://umarelli.org/nyc/3055710040/6714-21-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

- Alteration, filed Sep 28, 2023, estimated cost $40K, described as “Renovation of existing cellar, first and second floor with plumbing work:relocate kitchen and bathroom fixtures; new boilers and hot water heaters on cellar; no change in use, egress or occupancy under this application.”
- Alteration, filed Sep 28, 2023, estimated cost $120K, described as “Renovation of existing cellar, first and second floor with general construction: new partitions, doors, flooring and cosmetic work; no change in use, egress or occupancy under this application.”

## Property taxes

- Assessment: $512,100
- 2026–27 tax: $16,212
- Market value (city estimate): $1,138,000
- Taxable value: $130,329
- Assessed land: $94,950
- Assessed improvements: $417,150

## Zoning

R5: floor area ratio 1.26 built, 1.50 allowed by base zoning.

## Recent sales

- Sep 12, 2023: $1,630,000

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