# 100 Union Avenue, Brooklyn

Vacant land · Block 2242, Lot 3.

On Umarelli: https://umarelli.org/nyc/3022420003/100-union-avenue

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

Every lot on block 2242: https://umarelli.org/nyc/brooklyn/2242.md

## Building permits

- Alteration, filed Dec 8, 2017, estimated cost $3K, described as “Installation of fence along property frontage”

## Property taxes

- Assessment: $1,039,950
- 2026–27 tax: $93,063
- Market value (city estimate): $2,311,000
- Taxable value: $857,880
- Assessed land: $1,039,950

## Zoning

R6A: floor area ratio 0.00 built, 3.00 allowed by base zoning.

## Recent sales

- Oct 7, 2016: $10,500,000

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