# 725 Union Street, Brooklyn

Condominium · 4 units · built c. 1920 · Block 952, Lot 7504.

On Umarelli: https://umarelli.org/nyc/3009527504/725-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

No building permits on file for this lot.

## Property taxes

- Assessment: $2,911,052
- 2026–27 tax: $36,607
- Market value (city estimate): $6,469,000
- Taxable value: $322,234
- Assessed land: $27,000
- Assessed improvements: $2,884,052
- Condo units with their own tax lots: 4

## Tax breaks

- Co-op and condo abatement, with no end date, a $3,484 credit this tax year.

## Zoning

R6A: floor area ratio 3.48 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Apr 17, 2026: $2,100,000, Apt 1

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