628 Carlton Avenue, Brooklyn
Two-family · built c. 1871 · Block 1157, Lot 32.
Building permits
- Alteration, filed Dec 15, 2025, estimated cost $583K, described as “Alterationco to change from a two (2) family to a one (1) family with interior renovation and vertical addition to the existing 3 story + basement + cellar buildingas per plans filed herewith.”
- Alteration, filed Oct 16, 2025, estimated cost $45K, described as “General construction work for the removal of non-structural interior partitions and interior finishes as per plans filed herewith. No change in use, egress, or occupancy.”
Property taxes
- Assessment
- $304,560
- 2026–27 tax
- $9,401
- Market value (city estimate)
- $5,076,000
- Taxable value
- $47,377
- Assessed land
- $48,600
- Assessed improvements
- $255,960
Zoning
R7A (part of the lot is R6B): floor area ratio 1.59 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 14, 2025: $3,950,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Prospect Heights Historic District (Historic District). 7 Landmarks Preservation Commission permits are on file.
In the news
LPC To Review Proposal For Changes To 628 Carlton Avenue In Prospect Heights, Brooklyn, New York YIMBY, Jan 6, 2026.