275 Adelphi Street, Brooklyn
Two-family · built c. 1871 · Block 2104, Lot 23.
Building permits
- Alteration, filed Apr 17, 2026, estimated cost $35K, described as “Proposed work is limited to only at the 4th floor. The renovation includes installation of non-structural partition wall in the living room. Existing floor opening in the laundry room to be in-filled with new joists and wood flooring. No…”
Property taxes
- Assessment
- $222,300
- 2026–27 tax
- $19,528
- Market value (city estimate)
- $3,705,000
- Taxable value
- $98,410
- Assessed land
- $26,700
- Assessed improvements
- $195,600
Zoning
R6B: floor area ratio 2.35 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jan 5, 2024: $5,350,000
- Jul 19, 2021: $4,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Fort Greene Historic District (Historic District). 7 Landmarks Preservation Commission permits are on file.