# 803 Union Street, Brooklyn

Four-family · built c. 1920 · Block 954, Lot 71.

On Umarelli: https://umarelli.org/nyc/3009540071/803-union-street

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

Every lot on block 954: https://umarelli.org/nyc/brooklyn/954.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,560,150
- 2026–27 tax: $14,205
- Market value (city estimate): $3,467,000
- Taxable value: $114,200
- Assessed land: $247,500
- Assessed improvements: $1,312,650

## Zoning

R6A: floor area ratio 2.71 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