401 West End Avenue, Manhattan
Co-op · 61 units · built c. 1901 · Block 1244, Lot 12.
Building permits
- Alteration, filed Jan 5, 2026, estimated cost $3K, described as “Installation of a temporarily heavy-duty sidewalk shed per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Jan 5, 2026, estimated cost $3K, described as “Installation of a temporarily supported scaffold per plan submitted. Work shall comply with 2022 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Oct 29, 2025, estimated cost $162K, described as “Masonry replacement and waterproofing per plans. No change in use, occupancy or egress.”
- Alteration, filed Jun 26, 2025, estimated cost $165K, described as “Interior renovation at Apartment 7EF. To include removal of non load bearing partition, construction of new non load bearing partitions, renovation to existing three piece restroom fixtures and finishes, replacement of wood floors and…”
- Alteration, filed Dec 13, 2023, described as “Facade repairs and inspections.”
- Alteration, filed Oct 13, 2023, estimated cost $145K, described as “Replace boiler and re-install existing gas/oil burner.”
- Alteration, filed Jul 24, 2023, estimated cost $5K, described as “Installation of 300 psf sidewalk shed as per plans. Sidewalk shed shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Jun 28, 2023, estimated cost $68K, described as “Parapet replacement, masonry replacement, stucco replacement, and waterproofing per plans. No change in use occupancy or egress.”
- Alteration, filed Aug 17, 2021, estimated cost $20K, described as “Interior renovation of apartment 5A”
- Alteration, filed Aug 2, 2018, estimated cost $4K, described as “Alteration type 3 - construction equipment - scaffold proposed installation of pipe scaffold for remedial repairs as per plans. No change in use occupancy or egress under this application”
Property taxes
- Assessment
- $6,193,350
- 2026–27 tax
- $650,790
- Market value (city estimate)
- $13,763,000
- Taxable value
- $5,726,070
- Assessed land
- $1,017,000
- Assessed improvements
- $5,176,350
Tax breaks
- Co-op and condo abatement, with no end date, a $62,107 credit this tax year.
Zoning
R10A: floor area ratio 8.19 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 3, 2025: $402,800
- Aug 20, 2025: $790,000
- Jul 25, 2025: $450,000
- Jun 5, 2025: $756,844
- May 6, 2025: $650,000
- Mar 3, 2025: $1,625,000
- Jan 15, 2025: $686,564
- Sep 6, 2024: $1,750,000
- May 1, 2024: $750,000
- Feb 9, 2023: $450,000
The 10 most recent of 15 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Riverside-West End Historic District Extension I (Historic District). 13 Landmarks Preservation Commission permits are on file.
Board and land use applications
- 401 WEST END AVENUE (City Planning P1988M0961): Completed. 88-100M: FOUR STORY ADDITION TO AN EXISTING NINE STORY APARTMENT BUILDING.