# 710 Union Street, Brooklyn

Four-family · built c. 1920 · Block 956, Lot 16.

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/3009560016/710-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

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

## Property taxes

- Assessment: $1,540,800
- 2026–27 tax: $14,205
- Market value (city estimate): $3,424,000
- Taxable value: $114,200
- Assessed land: $400,050
- Assessed improvements: $1,140,750

## Zoning

R6A: floor area ratio 2.53 built, 3.00 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