906 Union Street, Brooklyn
Parking · built c. 1931 · Block 1066, Lot 24.
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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.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
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.