# 622 Winthrop Street, Brooklyn

Hospital · built c. 1920 · Block 4617, Lot 1.

On Umarelli: https://umarelli.org/nyc/3046170001/622-winthrop-street

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

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $43,777,350
- Market value (city estimate): $97,283,000
- Taxable value: $0
- Assessed land: $10,629,450
- Assessed improvements: $33,147,900

## Zoning

R5: floor area ratio 0.82 built, 1.50 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Board and land use applications

- KINGSBORO TRANSITIONAL RESIDENCE (City Planning P1997K0334): Completed, decided May 18, 1998. 97DHS001K: PROPOSES TO OBTAIN LONG-TERM SITE CONTROL OF 3 EXISTEXISTIN G BLDGS ON THE WESTERN PREIMETER OF THE KINGSBORO PSYCHIATRI C CTR CAMPUS, FOR USE AA TRANSITIONAL RESIDENCE FOR HOMELESS

## In the news

[Funding Secured For Sparrow Square Development at 681 Clarkson Avenue in East Flatbush Brooklyn](https://newyorkyimby.com/2026/01/funding-secured-for-sparrow-square-development-at-681-clarkson-avenue-in-east-flatbush-brooklyn.html), New York YIMBY, Jan 2, 2026.

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