# 640 4th Avenue, Brooklyn

Two-family · built c. 1910 · Block 633, Lot 36.

On Umarelli: https://umarelli.org/nyc/3006330036/640-4-avenue

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

Every lot on block 633: https://umarelli.org/nyc/brooklyn/633.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $140,580
- 2026–27 tax: $5,152
- Market value (city estimate): $2,343,000
- Taxable value: $25,966
- Assessed land: $12,900
- Assessed improvements: $127,680

## Zoning

M1-2D: floor area ratio 2.33 built, above the 2.00 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