523 Gates Avenue, Brooklyn
Three-family · built c. 1899 · Block 1809, Lot 60.
Building permits
- Alteration, filed Feb 17, 2026, estimated cost $450K, described as “Rehabilitate Existing Duplex Basement and First Floor as One dwelling Unit. Refurbish,upgrade Interior walls, Stairs, and Obtain LOC for 3 family (see HPD I-Card attached) and Resolve Violations; 39111922L; 39111923N; 39111924P; 39111922L”
Property taxes
- Assessment
- $130,380
- 2026–27 tax
- $4,214
- Market value (city estimate)
- $2,173,000
- Taxable value
- $21,238
- Assessed land
- $17,760
- Assessed improvements
- $112,620
Zoning
R6A: floor area ratio 1.60 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 19, 2023: $1,300,000
Open-market sales since 2016, from the Department of Finance’s sales files.