6404 20th Avenue, Brooklyn
Four-family with store · built c. 1931 · Block 5548, Lot 39.
Building permits
- Alteration, filed Jan 6, 2020, estimated cost $8K, described as “Alteration type 3 - construction equipment - sidewalk-shed installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code.”
Property taxes
- Assessment
- $364,950
- 2026–27 tax
- $12,213
- Market value (city estimate)
- $811,000
- Taxable value
- $98,185
- Assessed land
- $106,200
- Assessed improvements
- $258,750
Zoning
R5: floor area ratio 2.08 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.