641 Carlton Avenue, Brooklyn
Two-family · built c. 1868 · Block 1158, Lot 3.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $278,760
- 2026–27 tax
- $10,604
- Market value (city estimate)
- $4,646,000
- Taxable value
- $53,438
- Assessed land
- $22,920
- Assessed improvements
- $255,840
Zoning
R6B: floor area ratio 1.95 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jul 17, 2026: $1,466,468, 2,496 sq ft ($588 per sq ft)
- Mar 19, 2021: $2,225,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Prospect Heights Historic District (Historic District). 2 Landmarks Preservation Commission permits are on file.