1820 Cortelyou Road, Brooklyn
Apartment building · 42 units · built c. 1928 · Block 5161, Lot 6.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $832,050
- 2026–27 tax
- $103,499
- Market value (city estimate)
- $1,849,000
- Taxable value
- $832,050
- Assessed land
- $280,350
- Assessed improvements
- $551,700
Zoning
R7A: floor area ratio 4.02 built, above the 4.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Mar 31, 2026: $3,453,382, 45,540 sq ft ($76 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.