421 Classon Avenue, Brooklyn
Apartment building · 6 units · built c. 1930 · Block 1970, Lot 7.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,498,050
- 2026–27 tax
- $42,880
- Market value (city estimate)
- $3,329,000
- Taxable value
- $344,720
- Assessed land
- $14,850
- Assessed improvements
- $1,483,200
Zoning
R6B: floor area ratio 3.40 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.