831 Willoughby Avenue, Brooklyn
Three-family · built 2004 · Block 1589, Lot 52.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $91,140
- 2026–27 tax
- $9,834
- Market value (city estimate)
- $1,519,000
- Taxable value
- $49,559
- Assessed land
- $20,940
- Assessed improvements
- $70,200
Zoning
R6B: floor area ratio 1.44 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 18, 2025: $1,975,000
Open-market sales since 2016, from the Department of Finance’s sales files.