6421 20th Avenue, Brooklyn
Two-family with store · built c. 1931 · Block 5549, Lot 2.
Building permits
- Alteration, filed Mar 6, 2025, estimated cost $102K, described as “Interior renovation with partition works, replace existing storefront and double glass entrance doors for first floor existing restaurant. No change of use, egress or occupancy.”
Property taxes
- Assessment
- $74,820
- 2026–27 tax
- $8,942
- Market value (city estimate)
- $1,247,000
- Taxable value
- $45,066
- Assessed land
- $17,280
- Assessed improvements
- $57,540
Zoning
R5: floor area ratio 1.22 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 20, 2024: $4,500,000, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.