# 150 Union Avenue, Brooklyn

Apartment building · 96 units · built 2015 · Block 2238, Lot 49.

On Umarelli: https://umarelli.org/nyc/3022380049/150-union-avenue

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

Every lot on block 2238: https://umarelli.org/nyc/brooklyn/2238.md

## Building permits

- Alteration, filed Dec 23, 2025, estimated cost $17K, described as “Reconstruction repairs to floors & walls at existing parking garage spaces as necessary and per plans filed. No change in use, occupancy or egress proposed under this application.”

## Property taxes

- Assessment: $10,771,200
- 2026–27 tax: $57,252
- Market value (city estimate): $23,936,000
- Taxable value: $460,260
- Assessed land: $702,000
- Assessed improvements: $10,069,200

## Tax breaks

- 421-a exemption, through Jun 30, 2034, about $1,282,578 a year below the full tax.

## Zoning

R6A: floor area ratio 2.70 built, 3.00 allowed by base zoning.

## Recent sales

- Aug 1, 2022: $76,775,000

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