6810 20th Avenue, Brooklyn
Two-family with store · built c. 1931 · Block 5578, Lot 41.
Building permits
- Alteration, filed Jan 2, 2025, estimated cost $36K, described as “Propose interior renovation of an existing day care facility at 1st floor. No change to use, egress or occupancy.”
- Alteration, filed Jun 20, 2018, estimated cost $2K, described as “Install non-illuminated sign on wall (building blocks)”
Property taxes
- Assessment
- $78,480
- 2026–27 tax
- $10,087
- Market value (city estimate)
- $1,308,000
- Taxable value
- $50,832
- Assessed land
- $12,000
- Assessed improvements
- $66,480
Zoning
R5: floor area ratio 1.28 built, 1.50 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.