# 770 Union Street, Brooklyn

Apartment building · 9 units · built c. 1920 · Block 957, Lot 13.

On Umarelli: https://umarelli.org/nyc/3009570013/770-union-street

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

Every lot on block 957: https://umarelli.org/nyc/brooklyn/957.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,497,600
- 2026–27 tax: $25,201
- Market value (city estimate): $3,328,000
- Taxable value: $202,596
- Assessed land: $22,050
- Assessed improvements: $1,475,550

## Zoning

R6A: floor area ratio 3.06 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## 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