646 Jefferson Avenue, Brooklyn
Two-family · built c. 1901 · Block 1656, Lot 13.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $106,140
- 2026–27 tax
- $5,545
- Market value (city estimate)
- $1,769,000
- Taxable value
- $27,946
- Assessed land
- $20,160
- Assessed improvements
- $85,980
Zoning
R6B: floor area ratio 1.38 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.