# 210 20th Street, Brooklyn

Four-family · built c. 1931 · Block 640, Lot 23.

On Umarelli: https://umarelli.org/nyc/3006400023/210-20-street

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

Every lot on block 640: https://umarelli.org/nyc/brooklyn/640.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $445,950
- 2026–27 tax: $11,761
- Market value (city estimate): $991,000
- Taxable value: $94,549
- Assessed land: $86,850
- Assessed improvements: $359,100

## Zoning

R6B: floor area ratio 1.20 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