# 6509 20th Avenue, Brooklyn

Three-family with store · built c. 1931 · Block 5556, Lot 7.

On Umarelli: https://umarelli.org/nyc/3055560007/6509-20-avenue

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

Every lot on block 5556: https://umarelli.org/nyc/brooklyn/5556.md

## Building permits

- Alteration, filed Sep 18, 2023, estimated cost $11K, described as “Install new domestic water piping in cellar and off the domestic new sprinkler head in 1ST floor of existing 3 story building. Plumbing works as per plan. No change in egress, use, or occupancy.”

## Property taxes

- Assessment: $497,700
- 2026–27 tax: $12,205
- Market value (city estimate): $1,106,000
- Taxable value: $98,120
- Assessed land: $95,400
- Assessed improvements: $402,300

## Zoning

R5: floor area ratio 1.82 built, above the 1.50 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