723 Union Street, Brooklyn
Four-family · built c. 1920 · Block 952, Lot 45.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $1,039,950
- 2026–27 tax
- $13,014
- Market value (city estimate)
- $2,311,000
- Taxable value
- $104,624
- Assessed land
- $207,900
- Assessed improvements
- $832,050
Zoning
R6A: floor area ratio 2.53 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.