# 251 St Marks Avenue, Brooklyn

Condominium · 7 units · built c. 1930 · Block 1145, Lot 7506.

Some of the city’s records for this lot were still loading when this page was made; it refreshes within minutes.

On Umarelli: https://umarelli.org/nyc/3011457506/251-st-marks-avenue

More construction in Prospect Heights: https://umarelli.org/nyc/brooklyn/prospect-heights.md

## Building permits

Permit records are unavailable right now; the map lists them once the city responds.

## Property taxes

- Assessment: $1,265,849
- 2026–27 tax: $135,471
- Market value (city estimate): $2,813,000
- Taxable value: $1,089,082
- Assessed land: $188,549
- Assessed improvements: $1,077,300
- Condo units with their own tax lots: 7

## Zoning

R6B: floor area ratio 1.82 built, 2.00 allowed by base zoning.

## Recent sales

- Jul 11, 2024: $2,450,000, Apt 1B
- Nov 17, 2023: $1,835,000, Apt 2A
- Nov 15, 2023: $1,925,000, Apt 4A
- Nov 9, 2023: $1,795,000, Apt 1A
- Oct 26, 2023: $2,100,000, Apt 3A
- Oct 26, 2023: $1,095,000, Apt 4B
- Oct 24, 2023: $1,635,000, Apt 3B

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