# 683 4th Avenue, Brooklyn

Apartment building · 16 units · built 2008 · Block 643, Lot 5.

On Umarelli: https://umarelli.org/nyc/3006430005/683-4-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

No building permits on file for this lot.

## Property taxes

- Assessment: $1,401,750
- 2026–27 tax: $122,859
- Market value (city estimate): $3,115,000
- Taxable value: $987,693
- Assessed land: $98,550
- Assessed improvements: $1,303,200

## Tax breaks

- 421-a exemption, through Jun 30, 2027, about $30,075 a year below the full tax.

## Zoning

R8A: floor area ratio 6.01 built, 6.02 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