# 137 23rd Street, Brooklyn

Apartment building · 5 units · built c. 1935 · Block 645, Lot 63.

On Umarelli: https://umarelli.org/nyc/3006450063/137-23-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: $535,050
- 2026–27 tax: $9,861
- Market value (city estimate): $1,189,000
- Taxable value: $79,278
- Assessed land: $188,100
- Assessed improvements: $346,950

## Zoning

M1-2D: floor area ratio 2.12 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Apr 19, 2018: $1,660,000, Apt 5

Open-market sales since 2016, from the Department of Finance’s sales files.

## 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