# 718 Union Street, Brooklyn

Three-family · built c. 1899 · Block 956, Lot 22.

On Umarelli: https://umarelli.org/nyc/3009560022/718-union-street

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

Every lot on block 956: https://umarelli.org/nyc/brooklyn/956.md

## Building permits

- Alteration, filed Jul 27, 2026, estimated cost $156K, described as “Renovate portions of existing 3 story building and change use from (3) family dwelling to (1) family dwelling.”

## Property taxes

- Assessment: $174,360
- 2026–27 tax: $9,043
- Market value (city estimate): $2,906,000
- Taxable value: $45,574
- Assessed land: $31,080
- Assessed improvements: $143,280

## Zoning

R6A: floor area ratio 1.36 built, 3.00 allowed by base zoning.

## Recent sales

- May 6, 2024: $2,700,000

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