490 Classon Avenue, Brooklyn
Two-family · built c. 1899 · Block 1984, Lot 70.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $68,640
- 2026–27 tax
- $7,198
- Market value (city estimate)
- $1,144,000
- Taxable value
- $36,274
- Assessed land
- $19,800
- Assessed improvements
- $48,840
Zoning
R6B: floor area ratio 0.72 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 10, 2026: $2,975,000, 1,700 sq ft ($1,750 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.