666 Jefferson Avenue, Brooklyn
Two-family · built c. 1901 · Block 1656, Lot 25.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $107,520
- 2026–27 tax
- $4,095
- Market value (city estimate)
- $1,792,000
- Taxable value
- $20,635
- Assessed land
- $20,040
- Assessed improvements
- $87,480
Zoning
R6B: floor area ratio 1.36 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 13, 2020: $900,000, 2,712 sq ft ($332 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.