# 642 4th Avenue, Brooklyn

Two-family · built c. 1910 · Block 633, Lot 37.

On Umarelli: https://umarelli.org/nyc/3006330037/642-4-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: $83,640
- 2026–27 tax: $5,152
- Market value (city estimate): $1,394,000
- Taxable value: $25,966
- Assessed land: $12,900
- Assessed improvements: $70,740

## Zoning

M1-2D: floor area ratio 1.44 built, 2.00 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