331 Van Siclen Avenue, Brooklyn
Two-family · built c. 1899 · Block 4010, Lot 4.
Building permits
- Alteration, filed Aug 11, 2026, estimated cost $151K, described as “Proposed to horizontal extension (12'X18.75') = 225 sq. Ft rear side of building and interior renovation cellar, 1ST, 2ND floor to comply ecb violations & amend existing co.”
- Alteration, filed Apr 4, 2026, estimated cost $152K, described as “Proposed to horizontal extension (12'X18.75')= 225 sq. Ft rear side of building and interior renovation cellar, 1ST, 2ND floor to comply ecb violations. No change in use & occupancy with this application.”
Property taxes
- Assessment
- $77,640
- 2026–27 tax
- $2,439
- Market value (city estimate)
- $1,294,000
- Taxable value
- $12,292
- Assessed land
- $17,160
- Assessed improvements
- $60,480
Zoning
R6: floor area ratio 0.74 built, 2.43 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 1, 2023: $999,900
Open-market sales since 2016, from the Department of Finance’s sales files.