450 9th Street, Brooklyn
Four-family · built c. 1884 · Block 1092, Lot 3.
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Building permits
- Alteration, filed Nov 2, 2022, estimated cost $46K, described as “1ST floor side public hall wall & apartment door relocation; new laundry fixtures per floor; no change to sprinkler system; no change to use, egress or occupancy”
Property taxes
- Assessment
- $1,095,750
- 2026–27 tax
- $19,415
- Assessed land
- $80,100
- Assessed improvements
- $1,015,650
Zoning
R6A: floor area ratio 2.24 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 6, 2022: $3,100,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District Extension (Historic District). 5 Landmarks Preservation Commission permits are on file.