# 143 23rd Street, Brooklyn

Apartment building · 6 units · built c. 1935 · Block 645, Lot 60.

On Umarelli: https://umarelli.org/nyc/3006450060/143-23-street

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

Every lot on block 645: https://umarelli.org/nyc/brooklyn/645.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $557,100
- 2026–27 tax: $10,628
- Market value (city estimate): $1,238,000
- Taxable value: $85,441
- Assessed land: $4,950
- Assessed improvements: $552,150

## Zoning

M1-2D: floor area ratio 1.50 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