1 West 64th Street, Manhattan
Co-op · 82 units · built c. 1910 · Block 1117, Lot 29.
Building permits
- Alteration, filed Jun 25, 2026, estimated cost $696K, described as “Interior renovation of an existing apartment. No change of use, occupancy or egress.”
- Alteration, filed Jan 13, 2026, estimated cost $44K, described as “Install new AC system at APT 9B.”
- Alteration, filed Jan 7, 2026, estimated cost $185K, described as “Renovate existing kitchen and master bathroom at Apt 9B. Minor interior non-bearing partitions and millwork. New drop ceilings. New thru-wall openings for AC condensing units.”
- Alteration, filed Jan 7, 2026, estimated cost $45K, described as “Replace, Install Plumbing fixtures at APT 9B”
- Alteration, filed Oct 7, 2024, estimated cost $46K, described as “Plumbing associated with private residence renovation as per plans filed herewith.”
- Alteration, filed Dec 20, 2023, estimated cost $162K, described as “Herewith file plans to renovate Apt. 2C on the 2nd floor. Minor removal and construction of partitions. No change to use, egress or occupancy.”
- Alteration, filed Dec 20, 2023, estimated cost $12K, described as “Replace bathroom and kitchen plumbing fixtures. Add new washing machine.”
- Alteration, filed Sep 19, 2023, estimated cost $3K, described as “Installation of a temporarily heavy-duty sidewalk 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 Jul 24, 2023, estimated cost $21K, described as “Replace existing plumbing fixtures in Apt 9 C/H at 9th floor.”
- Alteration, filed Jul 24, 2023, estimated cost $38K, described as “Renovate existing bathrooms at apt 9 C/H at 9th Floor. Separate plumbing application will be filed for PL fixtures.”
- Alteration, filed Apr 10, 2023, estimated cost $145K, described as “Combingation of apts filed under tppn 3/97. No change to use, occupancy or egress.”
- Alteration, filed Feb 21, 2023, estimated cost $230K, described as “Renovation/combination of 9TH floor apartments including partition changes and new finishes. No change in use, occupancy or means of egress.”
- Alteration, filed Feb 16, 2023, estimated cost $23K, described as “Furnish and install a central air conditioning system in apt. 9DEF, modify existing radiators in accordance with NYC mechanical code. In conjunction with alteration #M00824235-I1.”
- Alteration, filed Oct 14, 2022, estimated cost $243K, described as “Limited Structural repairs within oil tank room at Cellar level. No change to use, egress or occupancy.”
- Alteration, filed Jun 13, 2022, estimated cost $121K, described as “Limited facade repairs: face brick replacement, brick pointing, marquee glass replacement, steel/gutter rekpairs and paint. No change in use, egress or occupancy is involved under this application.”
- Alteration, filed Sep 11, 2020, estimated cost $16K, described as “Plumbing work to convert unit 1 c from office to class A apartment. refile application 103279177 for change from office 1j to class a apt. ( all pl on this application is signed off)”
- Alteration, filed Jun 26, 2020, 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 the NYC building code. Live load 300PSF.”
- Alteration, filed Aug 1, 2019, estimated cost $30K, described as “Filing to replace existing and install new plumbing fixtures and to replace gas range.”
- Alteration, filed May 29, 2019, described as “Installation of pipe scaffold as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $17,493,750
- 2026–27 tax
- $1,802,796
- Market value (city estimate)
- $38,875,000
- Taxable value
- $16,120,487
- Assessed land
- $4,995,000
- Assessed improvements
- $12,498,750
Tax breaks
- Co-op and condo abatement, with no end date, a $202,604 credit this tax year.
Zoning
R10A: floor area ratio 7.96 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 1, 2026: $2,650,000
- Jun 29, 2026: $825,000
- Jan 27, 2026: $15,400,000
- Oct 21, 2025: $2,150,000
- Oct 30, 2024: $3,850,000
- Aug 30, 2023: $5,400,000
- Jun 20, 2023: $2,345,000
- May 24, 2023: $2,800,000
- May 23, 2023: $3,850,000
- Apr 6, 2023: $2,700,000
The 10 most recent of 26 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). 50 Landmarks Preservation Commission permits are on file.