# 443 Winthrop Street, Brooklyn

Apartment building · 18 units · built 2009 · Block 4820, Lot 42.

On Umarelli: https://umarelli.org/nyc/3048200042/443-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: $1,319,400
- 2026–27 tax: $130,426
- Market value (city estimate): $2,932,000
- Taxable value: $1,048,523
- Assessed land: $98,550
- Assessed improvements: $1,220,850

## Tax breaks

- 421-a exemption, through Jun 30, 2027, about $28,746 a year below the full tax.

## Zoning

R6: floor area ratio 5.18 built, above the 2.43 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