405 5th Avenue, Brooklyn
Mixed use · 1 unit · built c. 1925 · Block 999, Lot 8.
Building permits
- New Building — Multi-Family, filed Jun 15, 2026, 12 units, 6 stories, described as “Construction of six story new building”
- Alteration, filed Jul 6, 2026, estimated cost $160, described as “Proposed 8FT construction fence. No change to use, egress or occupancy under this application.”
- Demolition, filed Mar 31, 2026, estimated cost $150K, described as “Full demolition to a three story building”
Property taxes
- Assessment
- $495,000
- 2026–27 tax
- $51,794
- Market value (city estimate)
- $1,100,000
- Taxable value
- $477,450
- Assessed land
- $87,300
- Assessed improvements
- $407,700
Zoning
R6A: floor area ratio 1.23 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 5, 2025: $3,600,000
Open-market sales since 2016, from the Department of Finance’s sales files.