# 210 21st Street, Brooklyn

Apartment building · 6 units · built c. 1930 · Block 643, Lot 21.

On Umarelli: https://umarelli.org/nyc/3006430021/210-21-street

More construction in Sunset Park: https://umarelli.org/nyc/brooklyn/sunset-park.md

Every lot on block 643: https://umarelli.org/nyc/brooklyn/643.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $568,350
- 2026–27 tax: $10,519
- Market value (city estimate): $1,263,000
- Taxable value: $84,568
- Assessed land: $4,950
- Assessed improvements: $563,400

## Zoning

R6B: floor area ratio 1.53 built, 2.00 allowed by base zoning.

## 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