# 679 4th Avenue, Brooklyn

Condominium · 22 units · built 2005 · Block 643, Lot 7506.

On Umarelli: https://umarelli.org/nyc/3006437506/679-4-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

- Alteration, filed Oct 14, 2026, estimated cost $67K, described as “Installation of new VERIZON site on the roof. Install 3 sectors (12 antennas) with associated parts, 6 RRH units, 6 OVP's, 2 GPS antennas and 2 equipment cabinets.”

## Property taxes

- Assessment: $2,036,248
- 2026–27 tax: $3,848
- Market value (city estimate): $4,524,997
- Taxable value: $31,292
- Assessed land: $78,749
- Assessed improvements: $1,957,499
- Condo units with their own tax lots: 27

## Tax breaks

- 421-a exemption, through Jun 30, 2034, about $246,487 a year below the full tax.

## Zoning

R8A: floor area ratio 4.83 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