# 230 21st Street, Brooklyn

Four-family · built c. 1931 · Block 643, Lot 33.

On Umarelli: https://umarelli.org/nyc/3006430033/230-21-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: $490,500
- 2026–27 tax: $9,314
- Market value (city estimate): $1,090,000
- Taxable value: $74,879
- Assessed land: $95,400
- Assessed improvements: $395,100

## Zoning

R6A: floor area ratio 1.65 built, 3.00 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