# 1678 Union Street, Brooklyn

Apartment building · 20 units · built c. 1916 · Block 1402, Lot 21.

On Umarelli: https://umarelli.org/nyc/3014020021/1678-union-street

More construction in Crown Heights: https://umarelli.org/nyc/brooklyn/crown-heights.md

Every lot on block 1402: https://umarelli.org/nyc/brooklyn/1402.md

## Building permits

- Alteration, filed Aug 23, 2018, estimated cost $5K, described as “Installation of a heavy duty sidewalk shed approximately 78'LONG as per plans in conjunction with facade repairs. No change in use, egress or occupancy. Sidewalk shed shall comply with 2014 NYC building code, chapter 33.”

## Property taxes

- Assessment: $1,606,950
- 2026–27 tax: $176,782
- Market value (city estimate): $3,571,000
- Taxable value: $1,421,190
- Assessed land: $37,800
- Assessed improvements: $1,569,150

## Zoning

R4: floor area ratio 2.70 built, above the 1.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Recent sales

- Jun 23, 2026: $57,000,000, 18,720 sq ft, sold with other lots

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