# 417 Winthrop Street, Brooklyn

Two-family · built 1945 · Block 4820, Lot 53.

On Umarelli: https://umarelli.org/nyc/3048200053/417-winthrop-street

More construction in Flatbush: https://umarelli.org/nyc/brooklyn/flatbush.md

Every lot on block 4820: https://umarelli.org/nyc/brooklyn/4820.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $49,980
- 2026–27 tax: $4,744
- Market value (city estimate): $833,000
- Taxable value: $31,898
- Assessed land: $17,520
- Assessed improvements: $32,460

## Tax breaks

- Solar abatement, through Jun 30, 2028, a $1,585 credit this tax year.

## Zoning

R6: floor area ratio 0.72 built, 2.43 allowed by base zoning.

## Recent sales

- Jan 15, 2026: $650,000, 1,638 sq ft ($397 per sq ft)

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