310 West 56th Street, Manhattan
Co-op · 115 units · built 1964 · Block 1046, Lot 38.
Building permits
- Alteration, filed Sep 28, 2026, estimated cost $15K, described as “Installation of a temporarily heavy-duty sidewalk shed and overhead protection 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 Aug 4, 2026, described as “Installation and use of suspended scaffold for facade restoration/inspection as per plans submitted”
- Alteration, filed Jun 16, 2026, estimated cost $115K, described as “Application to renovate apartment 9A as shown in plans fileherewith. No change in occupancy, use or egress.”
- Alteration, filed May 13, 2025, described as “Installation and use of suspended scaffold for facade restoration/inspection as per plans submitted”
- Alteration, filed May 3, 2024, estimated cost $11K, described as “Interior renovation of existing bathroom and kitchen in existing apartment 6B. No chenge of use, occupancy or egress.”
- Alteration, filed Apr 23, 2024, described as “Installation and use of suspended scaffold for facade restoration/inspection as per plans submitted”
- Alteration, filed Apr 3, 2024, estimated cost $18K, described as “Proposed interior renovation of existing apartment #7E on 7TH floor. Construction work as per plan. No change in egress, use or occupancy.”
- Alteration, filed Feb 26, 2024, estimated cost $3K, described as “Installation of a temporarily Material storage 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 Feb 19, 2024, estimated cost $45K, described as “Facade repairs as shown on the drawings filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Aug 9, 2023, estimated cost $5K, described as “Apartment 12D create an opening for a new door for convenience access to adjacent unit as per plans herewith filed. No change in use, egress or occupancy filed under this application.”
- Alteration, filed Jul 14, 2023, estimated cost $43K, described as “Propose interior renovation of apartment 12D. Removal and installation of non load bearing partitions and related finishes all as per plans herewith filed. No change in use, egress or occupancy filed under this application.”
- Alteration, filed Apr 19, 2023, estimated cost $43K, described as “Propose interior renovation and combination of apartment 12D and 12E. Removal and installation of non load bearing partitions and related finishes all as per plans herewith filed. No change in use, egress or occupancy filed under this…”
- Alteration, filed Jan 26, 2023, estimated cost $600K, described as “Main entrance tile replacement and waterproofing as shown on the drawings filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Oct 29, 2021, estimated cost $32K, described as “Herewith to file application for minor interior renovation for apartment 11F. No change occupancy, use, or means of egress.”
- Alteration, filed Jan 6, 2020, estimated cost $20K, described as “Plumbing work filed in conjunction with alt-2 renovation # 123371458. No change in egress, use or occupancy.”
Property taxes
- Assessment
- $8,849,700
- 2026–27 tax
- $818,074
- Market value (city estimate)
- $19,666,000
- Taxable value
- $7,698,946
- Assessed land
- $702,000
- Assessed improvements
- $8,147,700
Tax breaks
- Co-op and condo abatement, with no end date, a $114,047 credit this tax year.
Zoning
R8 (part of the lot is C6-4): floor area ratio 7.58 built, above the 6.02 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 8, 2026: $400,000
- Oct 9, 2025: $600,000
- Aug 27, 2025: $400,000
- Jul 29, 2025: $370,000
- Nov 25, 2024: $478,375
- Nov 12, 2024: $430,000
- Oct 31, 2024: $382,500
- Sep 25, 2024: $424,000
- Sep 25, 2024: $485,000
- Sep 6, 2024: $399,000
The 10 most recent of 60 open-market sales since 2016, from the Department of Finance’s sales files.