# 681 Union Street, Brooklyn

Co-op · 6 units · built c. 1912 · Block 952, Lot 66.

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/3009520066/681-union-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 952: https://umarelli.org/nyc/brooklyn/952.md

## Building permits

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

## Property taxes

- Assessment: $1,274,400
- 2026–27 tax: $45,329
- Market value (city estimate): $2,832,000
- Taxable value: $374,171
- Assessed land: $10,800
- Assessed improvements: $1,263,600

## Tax breaks

- Co-op and condo abatement, with no end date, a $1,215 credit this tax year.

## Zoning

R6A: floor area ratio 2.11 built, 3.00 allowed by base zoning.

## Recent sales

- Aug 21, 2024: $610,000
- Apr 11, 2023: $999,950
- Oct 7, 2021: $745,000
- Aug 22, 2019: $760,000
- Apr 17, 2018: $719,000
- Sep 29, 2017: $875,000

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