40 West 55th Street, Manhattan
Condominium · 35 units · built c. 1925 · Block 1270, Lot 7501.
Building permits
- Alteration, filed Nov 11, 2025, estimated cost $120K, described as “Hereby filing to convert unit 1C dentist office to residential apartment, work to include removal and installation of interior non bearing partitions.”
- Alteration, filed Sep 25, 2025, estimated cost $235K, described as “F.i.s.p. Facade repairs”
- Alteration, filed Aug 15, 2025, 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 Aug 8, 2025, described as “Installation of outriggers for facade repair and inspection.”
- Alteration, filed Dec 17, 2024, estimated cost $10K, described as “Installation of a convenience door between Apts. 7A & 7B. No change in use, egress, or occupancy under this application.”
- Alteration, filed Jul 24, 2024, estimated cost $37K, described as “All work for apt 4D: removal of non load bearing walls asnoted. Guest bathroom renovation. Master bathroomrenovation and expansion. Kitchen renovation. Addition ofwasher and dryer. Creation of new bedroom. No change tocertificate of…”
- Alteration, filed Apr 25, 2022, estimated cost $105K, described as “Facade restoration as shown on plans”
- Alteration, filed Apr 6, 2022, 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 May 12, 2021, estimated cost $15K, described as “Interior renovation existing store with partition work on 1ST floor. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $6,505,649
- 2026–27 tax
- $777,429
- Market value (city estimate)
- $14,456,996
- Taxable value
- $6,454,682
- Assessed land
- $2,951,998
- Assessed improvements
- $3,553,651
- Condo units with their own tax lots
- 39
Zoning
C5-P: floor area ratio 6.06 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 24, 2026: $1,900,000, Apt 4B
- Mar 18, 2026: $1,399,000, Apt 4D
- Mar 5, 2025: $1,360,000, Apt 6D
- Dec 9, 2024: $1,090,000, Apt 1E
- Jul 10, 2024: $1,200,000, Apt 5D
- May 17, 2024: $1,140,000, Apt 4D
- May 15, 2024: $1,240,000, Apt 8D
- May 13, 2024: $2,020,000, Apt 2B
- Oct 24, 2023: $1,350,000, Apt 7C
- Jul 6, 2023: $2,100,000, Apt 7B
The 10 most recent of 17 open-market sales since 2016, from the Department of Finance’s sales files.