640 4th Avenue, Brooklyn
Two-family · built c. 1910 · Block 633, Lot 36.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $140,580
- 2026–27 tax
- $5,152
- Market value (city estimate)
- $2,343,000
- Taxable value
- $25,966
- Assessed land
- $12,900
- Assessed improvements
- $127,680
Zoning
M1-2D: floor area ratio 2.33 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.