# 681 4th Avenue, Brooklyn

Mixed use · 1 unit · built c. 1910 · Block 643, Lot 6.

On Umarelli: https://umarelli.org/nyc/3006430006/681-4-avenue

More construction in Sunset Park: https://umarelli.org/nyc/brooklyn/sunset-park.md

Every lot on block 643: https://umarelli.org/nyc/brooklyn/643.md

## Building permits

- Alteration, filed Sep 4, 2026, estimated cost $8K, described as “Interior renovation of commercial space at first floor for new massage spa”

## Property taxes

- Assessment: $226,350
- 2026–27 tax: $20,844
- Market value (city estimate): $503,000
- Taxable value: $192,150
- Assessed land: $50,850
- Assessed improvements: $175,500

## Zoning

R8A: floor area ratio 1.79 built, 6.02 allowed by base zoning.

## Recent sales

- Apr 12, 2024: $1,710,000
- Jun 26, 2022: $1,550,000

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