171 West 73rd Street, Manhattan

Co-op · 11 units · built c. 1882 · Block 1145, Lot 105.

Building permits

Alteration, filed Jul 14, 2025, estimated cost $5K, described as “Installation of pipe scaffolding. no change in use, occupancy or egress under this application. work shall comply with chapter 33 of nycbc.”
Alteration, filed Feb 13, 2025, estimated cost $255K, described as “Terrace roof replacement, parapet repair and railing installation as per plans filed herewith. No change to use, egress, or occupancy.”
Alteration, filed Jan 25, 2023, estimated cost $23K, described as “Installation of corridor on basement floor studio; no work at cellar floor (under the basement).”
Alteration, filed Sep 12, 2021, estimated cost $9K, described as “Proposed installation of heavy duty sidewalk shed as per plans. Live load 300 per square feet. Sidewalk shed shall comply with chapter # 33 of the 2014 code. No change in use occupancy or egress under this application.”
Alteration, filed Sep 12, 2021, estimated cost $9K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of the NYC building code. No change in use, occupancy, or egress under this application.”
Alteration, filed Jun 30, 2021, estimated cost $12K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”

R8B: floor area ratio 3.20 built, 4.00 allowed by base zoning.

Current FEMA flood map: zone X, minimal flood hazard.

Open-market sales since 2016, from the Department of Finance’s sales files.

Part of Upper West Side/Central Park West Historic District (Historic District). 18 Landmarks Preservation Commission permits are on file.