# 660 4th Avenue, Brooklyn

Condominium · 23 units · built c. 1920 · Block 636, Lot 7501.

Some of the city’s records for this lot were still loading when this page was made; it refreshes within minutes.

On Umarelli: https://umarelli.org/nyc/3006367501/660-4-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

Permit records are unavailable right now; the map lists them once the city responds.

## Property taxes

- Assessment: $739,348
- 2026–27 tax: $76,992
- Market value (city estimate): $1,642,995
- Taxable value: $706,447
- Assessed land: $26,998
- Assessed improvements: $712,350
- Condo units with their own tax lots: 23

## Tax breaks

- Co-op and condo abatement, with no end date, a $11,056 credit this tax year.

## Zoning

M1-2D: floor area ratio 2.15 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Aug 13, 2026: $253,000, Apt 1F
- Oct 10, 2025: $469,000, Apt 4R
- Aug 14, 2025: $375,000, Apt 3R
- Aug 12, 2024: $291,000, Apt 1R
- Jul 22, 2024: $425,000, Apt 2F
- Oct 13, 2023: $385,000, Apt 4F
- Jan 9, 2023: $468,000, Apt 2L
- Sep 23, 2021: $375,000, Apt 3F
- Feb 17, 2021: $387,500, Apt 4R
- Jul 15, 2020: $399,000, Apt 3F

The 10 most recent of 11 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