644 Vermont Street, Brooklyn
Two-family · built c. 1910 · Block 3841, Lot 21.
Building permits
- Alteration, filed Aug 5, 2026, estimated cost $463K, described as “Application filed herewith to convert an existing three story two family building to an eight family building. Project to include a zoning lot merger with lot 18.”
Property taxes
- Assessment
- $56,700
- 2026–27 tax
- $4,613
- Market value (city estimate)
- $945,000
- Taxable value
- $23,204
- Assessed land
- $24,900
- Assessed improvements
- $31,800
Zoning
R6: floor area ratio 1.24 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.