# 409 3rd Street, Brooklyn

Condominium · 4 units · built c. 1921 · Block 975, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3009757501/409-3-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 975: https://umarelli.org/nyc/brooklyn/975.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,327,052
- 2026–27 tax: $24,807
- Market value (city estimate): $2,949,000
- Taxable value: $199,432
- Assessed land: $33,750
- Assessed improvements: $1,293,302
- Condo units with their own tax lots: 4

## Zoning

R6B: floor area ratio 2.10 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 11, 2026: $2,425,000, Apt 4R
- Apr 9, 2021: $1,750,000, Apt 4R
- Dec 3, 2018: $1,346,000, Apt 3
- Jan 29, 2016: $1,380,000, Apt 4R

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