# 906 Union Street, Brooklyn

Parking · built c. 1931 · Block 1066, Lot 24.

On Umarelli: https://umarelli.org/nyc/3010660024/906-union-street

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

## Building permits

- Major Renovation — Conversion, filed Oct 7, 2026, estimated cost $438K, 11 units added, 5 stories, described as “Alteration co to convert existing 3-story public garage building into a 5-story residential building. Residential conversion pursuant to ZR15-00. New 4TH & 5TH story vertical enlargement proposed.”
- Alteration, filed Nov 2, 2022, estimated cost $8K, described as “Hereby filing for installation of fireproofing at roof joists”
- Alteration, filed Oct 17, 2022, estimated cost $18K, described as “Cellar framing repairs”

## Property taxes

- Assessment: $2,614,500
- 2026–27 tax: $283,621
- Market value (city estimate): $5,810,000
- Taxable value: $2,614,500
- Assessed land: $161,100
- Assessed improvements: $2,453,400

## Zoning

R7B: floor area ratio 2.83 built, 3.00 allowed by base zoning.

## Recent sales

- Jul 28, 2026: $3,312,500, 19,125 sq ft ($173 per sq ft)

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