# 402 Union Avenue, Brooklyn

Condominium · 6 units · built 2025 · Block 2767, Lot 7507.

On Umarelli: https://umarelli.org/nyc/3027677507/402-union-avenue

More construction in East Williamsburg: https://umarelli.org/nyc/brooklyn/east-williamsburg.md

## Building permits

No building permits on file for this lot.

## Property taxes

- Assessment: $1,249,201
- 2026–27 tax: $147,137
- Market value (city estimate): $2,776,000
- Taxable value: $1,182,864
- Assessed land: $61,201
- Assessed improvements: $1,188,000
- Condo units with their own tax lots: 6

## Zoning

R7A: floor area ratio 5.99 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jul 10, 2026: $2,900,000, Apt PH1
- Mar 30, 2026: $1,970,000, Apt 2
- Feb 17, 2026: $1,817,000, Apt 1
- Feb 13, 2026: $2,750,000, Apt PH2
- Jan 7, 2026: $1,995,000, Apt 3
- Dec 22, 2025: $2,030,000, Apt 4

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## In the news

[402 Union Avenue Tops Out in Williamsburg, Brooklyn](https://newyorkyimby.com/2025/03/402-union-avenue-tops-out-in-williamsburg-brooklyn.html), New York YIMBY, Mar 18, 2025.

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