405 Jefferson Avenue, Brooklyn
Two-family · built c. 1915 · Block 1830, Lot 47.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $143,640
- 2026–27 tax
- $6,993
- Market value (city estimate)
- $2,394,000
- Taxable value
- $35,240
- Assessed land
- $16,380
- Assessed improvements
- $127,260
Zoning
R6B: floor area ratio 1.20 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 8, 2025: $2,750,000
- Mar 13, 2020: $2,250,000, 2,400 sq ft ($938 per sq ft)
- Apr 30, 2019: $1,100,000
Open-market sales since 2016, from the Department of Finance’s sales files.