5109 20th Avenue, Brooklyn
Two-family · built c. 1925 · Block 5470, Lot 6.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $85,980
- 2026–27 tax
- $3,992
- Market value (city estimate)
- $1,433,000
- Taxable value
- $20,120
- Assessed land
- $18,720
- Assessed improvements
- $67,260
Zoning
R5: floor area ratio 0.55 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.