165 23rd Street, Brooklyn
Two-family · built c. 1899 · Block 645, Lot 47.
Building permits
- Alteration, filed May 30, 2023, estimated cost $308K, described as “Renovate existing 2-family residence. Demo and construct interior walls, cabinetry and finishes. Structural, mechanical, and plumbing filed separately. No change to use, egress, occupancy or bulk.”
Property taxes
- Assessment
- $102,120
- 2026–27 tax
- $8,946
- Market value (city estimate)
- $1,702,000
- Taxable value
- $45,084
- Assessed land
- $20,280
- Assessed improvements
- $81,840
Zoning
M1-2D: floor area ratio 1.08 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.