488 Classon Avenue, Brooklyn
Two-family · built c. 1899 · Block 1984, Lot 69.
Building permits
- Alteration, filed Jun 23, 2026, estimated cost $108K, described as “Existing 2-family house with interior renovation on partitionwork at the cellar, basement,1ST, 2ND and 3RD floor under thisapplication.no change in use, means of egress or occupancy in thisapplication.”
Property taxes
- Assessment
- $180,000
- 2026–27 tax
- $2,559
- Market value (city estimate)
- $3,000,000
- Taxable value
- $8,766
- Assessed land
- $23,160
- Assessed improvements
- $156,840
Zoning
R6B: floor area ratio 1.50 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 30, 2026: $1,999,000, 3,040 sq ft ($658 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.