601 West End Avenue, Manhattan
Co-op · 26 units · built c. 1916 · Block 1250, Lot 91.
Building permits
- Alteration, filed Oct 28, 2026, estimated cost $128K, described as “Install domestic hot water heat pump system.”
- Alteration, filed Sep 29, 2026, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Feb 18, 2025, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of 2022 the NYC building code. Live load 300PSF.”
- Alteration, filed Feb 6, 2025, estimated cost $1K, described as “Proposed installation of temporary pipe scaffold as per plans. Work shall comply with chapter #33 of 2022 the NYC building code. No change in use, occupancy, or egress under this application.”
- Alteration, filed Dec 20, 2024, estimated cost $300K, described as “Decommissioning of existing oil fired boiler. Removal of existing ac units as shown on plans. Installation of new VRF heating & cooling system with associated ducts and piping. Support for outdoor units.”
- Alteration, filed Nov 11, 2024, estimated cost $10K, described as “Interior renovation at existing bathrooms and laundry area in apt 6A on 006. Plumbing work will be filed subsequently with is application. No change in use, egress or occupancy in this application.”
- Alteration, filed Aug 21, 2024, described as “Facade restoration, inspections”
- Alteration, filed Jun 30, 2022, estimated cost $5K, described as “Installation of pipe scaffold as per plans. Scaffold shall comply with chapter #33 of the 2014 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Apr 28, 2022, estimated cost $224K, described as “Filing for facade rehabilitation. No change to use egress or occupancy.”
- Alteration, filed Feb 3, 2022, estimated cost $59K, described as “Create new storage area for penthouse apartment on 14th floor penthouse and replacement of roof terrace finishes.”
- Alteration, filed Sep 20, 2021, estimated cost $101K, described as “Slab repairs project. No change in use, egress or occupancy.”
- Alteration, filed Nov 27, 2017, described as “Installation of pipe scaffold as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $4,360,050
- 2026–27 tax
- $432,403
- Market value (city estimate)
- $9,689,000
- Taxable value
- $4,172,170
- Assessed land
- $623,700
- Assessed improvements
- $3,736,350
Tax breaks
- Co-op and condo abatement, with no end date, a $87,100 credit this tax year.
Zoning
R10A: floor area ratio 11.96 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 15, 2023: $1,868,334
- Oct 20, 2023: $1,725,000
- Sep 20, 2022: $2,100,000
- May 10, 2022: $1,955,000
- May 10, 2022: $1,500,000
- Feb 14, 2022: $2,200,000
- Jul 9, 2021: $1,680,000
- Sep 5, 2017: $2,200,000
- Dec 20, 2016: $2,153,500
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Riverside-West End Historic District (Historic District). 44 Landmarks Preservation Commission permits are on file.