28 West 71st Street, Manhattan
Two-family · built c. 1888 · Block 1123, Lot 146.
Building permits
- Alteration, filed Jul 1, 2026, estimated cost $8K, 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 Apr 15, 2026, estimated cost $778K, described as “Application to convert existing two familes to one family, with a new stair bulkhead and roof deck. Partition and plumbing as per plan.”
- Alteration, filed Jun 9, 2025, estimated cost $10K, described as “Installation of sprinkler system”
- Alteration, filed Mar 6, 2025, estimated cost $330K, described as “Interior renovation on an existing two-family, 4-story, basement dwelling, Removal of interior partitions, floors, ceilings including bathrooms and kit, Installation of new flooring, partitions, ceilings in affected areas. New doors & ltgs,”
Property taxes
- Assessment
- $355,500
- 2026–27 tax
- $48,821
- Market value (city estimate)
- $5,925,000
- Taxable value
- $246,034
- Assessed land
- $198,720
- Assessed improvements
- $156,780
Zoning
R8B: floor area ratio 2.54 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 22, 2024: $6,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper West Side/Central Park West Historic District (Historic District). 9 Landmarks Preservation Commission permits are on file.