# 666 4th Avenue, Brooklyn

Apartment building · 8 units · built c. 1920 · Block 636, Lot 40.

On Umarelli: https://umarelli.org/nyc/3006360040/666-4-avenue

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

Every lot on block 636: https://umarelli.org/nyc/brooklyn/636.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $767,250
- 2026–27 tax: $21,896
- Market value (city estimate): $1,705,000
- Taxable value: $206,344
- Assessed land: $54,450
- Assessed improvements: $712,800

## Tax breaks

- J-51 abatement, through Mar 31, 2036, a $3,772 credit this tax year.

## Zoning

M1-2D: floor area ratio 3.21 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.

## Board and land use applications

- 666 4TH AVENUE (City Planning P1989K1040): Completed. 89-251K: RESTORE THE FORMER LEGAL USE AS 8 FAMILY RESIDENCE

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