6418 20th Avenue, Brooklyn
Commercial · built c. 1931 · Block 5548, Lot 145.
Building permits
- Alteration, filed Aug 31, 2026, estimated cost $50K, described as “General renovation on exist. Commercial space with replace floor tiles and new finishes. No change in use, egress or occupancy.”
- Alteration, filed Jan 10, 2018, estimated cost $6K, described as “Install illuminated sign on wall (golden city seafood restaurant)”
- Alteration, filed Jan 10, 2018, estimated cost $2K, described as “Install non-illuminated sign on wall (golden city seafood restaurant)”
Property taxes
- Assessment
- $820,350
- 2026–27 tax
- $76,163
- Market value (city estimate)
- $1,823,000
- Taxable value
- $702,090
- Assessed land
- $106,200
- Assessed improvements
- $714,150
Zoning
R5: floor area ratio 1.80 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.