6521 20th Avenue, Brooklyn
Four-family with store · built c. 1931 · Block 5556, Lot 2.
Building permits
- Alteration, filed Jul 30, 2018, estimated cost $1K, described as “Install non-illuminated sign on wall. (lovely beauty nails spa)”
Property taxes
- Assessment
- $321,750
- 2026–27 tax
- $12,601
- Market value (city estimate)
- $715,000
- Taxable value
- $101,305
- Assessed land
- $95,400
- Assessed improvements
- $226,350
Zoning
R5: floor area ratio 1.82 built, above the 1.50 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 5, 2024: $1,620,000
Open-market sales since 2016, from the Department of Finance’s sales files.