216 Adelphi Street, Brooklyn
Two-family · built c. 1866 · Block 2090, Lot 42.
Building permits
- Alteration, filed Jul 20, 2022, estimated cost $5K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 lbs per square feet. Sidewalk shed shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Oct 28, 2021, estimated cost $100K, described as “Application being filed for the addition of new dunnage for MH units, new joists to support FDNY bridge over dunnage and new steel framed rear deck and stair to grade, supported on new concrete foundations. No change in use, egress, or…”
- Alteration, filed Oct 21, 2021, estimated cost $6K, described as “Application being filed to show sprinkler work on floors Cellar, Basement, 001 thru 003 in conjunction with the complete renovation work as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Oct 21, 2021, estimated cost $60K, described as “Application being filed for the Mechanical work including newVRF system(s), boiler and kitchen,toilet & laundry exhaust systems. Natrual ventilation provided, refer to OT application drawings. No change in use, egress, or occupancy.”
- Alteration, filed Oct 21, 2021, estimated cost $60K, described as “Application being filed to show plumbing work being performed in the Cellar, Basement, 1st thru 3rd floors as per plans filed herewith. No change in use, egress,or occupancy.”
- Alteration, filed Sep 20, 2021, estimated cost $2K, described as “Installation of temporary bracing at building entrance as per drawing. No change in use, egress or occupancy is required under this appication.”
Property taxes
- Assessment
- $283,800
- 2026–27 tax
- $20,213
- Market value (city estimate)
- $4,730,000
- Taxable value
- $101,863
- Assessed land
- $54,720
- Assessed improvements
- $229,080
Zoning
R6B: floor area ratio 1.78 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 22, 2025: $5,600,000
- Nov 24, 2020: $3,150,000, 3,600 sq ft ($875 per sq ft)
- Nov 22, 2019: $2,085,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Fort Greene Historic District (Historic District). 5 Landmarks Preservation Commission permits are on file.