340 43rd Street, Brooklyn
Two-family · built c. 1910 · Block 728, Lot 24.
Building permits
- Alteration, filed May 18, 2026, estimated cost $10K, described as “Submit temporary construction fence at open space, no change in use, egress or occupancy.”
- Major Renovation — Enlargement, filed Sep 4, 2024, estimated cost $1.3M, 4 units added, 4 stories, described as “Proposed new 6-family four story building. Obtain new certificate of occupancy.”
Property taxes
- Assessment
- $69,240
- 2026–27 tax
- $1,620
- Market value (city estimate)
- $1,154,000
- Taxable value
- $8,166
- Assessed land
- $13,380
- Assessed improvements
- $55,860
Zoning
R6B: floor area ratio 0.55 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 4, 2023: $893,000
Open-market sales since 2016, from the Department of Finance’s sales files.