823 Union Street, Brooklyn
Two-family · built c. 1901 · Block 954, Lot 60.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $237,600
- 2026–27 tax
- $8,964
- Assessed land
- $38,460
- Assessed improvements
- $199,140
Zoning
R6A: floor area ratio 1.52 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.