# 419 Dean Street, Brooklyn

Vacant land · Block 928, Lot 56.

On Umarelli: https://umarelli.org/nyc/3009280056/423-dean-street

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

## Building permits

- New Building — Multi-Family, filed Sep 18, 2024, 11 units, 4 stories, described as “Proposed 5 story residential building with cellar. Building is being developed pursuant to Quality Housing.”
- New Building — Multi-Family, filed Sep 18, 2024, 5 units, 4 stories, described as “Proposed 5 story residential building with cellar. Building is being developed pursuant to Quality Housing.”
- Alteration, filed Sep 24, 2026, estimated cost $1K, described as “Proposed installation of heavy duty sidewalk shed for new building as per plans. No change in use occupancy or egress under this application. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2022 code.”

## Property taxes

- Assessment: $41,640
- 2026–27 tax: $6,739
- Market value (city estimate): $694,000
- Taxable value: $33,962
- Assessed land: $41,640

## Zoning

R6B: floor area ratio 0.00 built, 2.00 allowed by base zoning.

## Recent sales

- Oct 16, 2025: $6,650,000, sold with other lots

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