748 Hancock Street, Brooklyn
Two-family · built c. 1899 · Block 1663, Lot 21.
Building permits
- Alteration, filed Oct 9, 2025, estimated cost $97K, described as “Existing 1 family building with interior renovation with partition work at the cellar, basement, 1ST, 2ND floor and open space in the rear. No change in use, means of egress or occupancy.”
- Alteration, filed May 6, 2025, estimated cost $1K, described as “Install temporary construction fence for related ALT2 job.”
Property taxes
- Assessment
- $126,420
- 2026–27 tax
- $4,212
- Market value (city estimate)
- $2,107,000
- Taxable value
- $21,225
- Assessed land
- $18,060
- Assessed improvements
- $108,360
Zoning
R6B: floor area ratio 1.25 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Feb 3, 2025: $800,000
Open-market sales since 2016, from the Department of Finance’s sales files.