# 6808 21st Avenue, Brooklyn

Four-family · built c. 1931 · Block 5579, Lot 39.

On Umarelli: https://umarelli.org/nyc/3055790039/6808-21-avenue

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

Every lot on block 5579: https://umarelli.org/nyc/brooklyn/5579.md

## Building permits

- Alteration, filed Jun 30, 2021, estimated cost $125K, 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”
- Alteration, filed Jun 30, 2021, estimated cost $54K, described as “Renovation of existing cellar, first, second and third floor with plumbing work as per plan : relocate kitchen and bathroom fixtures;new boilers and hot water heaters on cellar. No change in use, egress or occupancy under this application.”

## Property taxes

- Assessment: $349,650
- 2026–27 tax: $18,878
- Market value (city estimate): $777,000
- Taxable value: $151,767
- Assessed land: $94,950
- Assessed improvements: $254,700

## Zoning

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

## Recent sales

- Jun 4, 2021: $1,720,000

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