39 West 23rd Street, Manhattan
Condominium · 45 units · built 2018 · Block 825, Lot 7502.
Building permits
- Alteration, filed Sep 15, 2025, estimated cost $262K, described as “Interior renovation at apt 24A (23rd fl per C.O.) including partitions, ceiling, door and finish work. No change in Use, Bulk, Egress or Occupancy under this application”
- Alteration, filed Aug 21, 2025, estimated cost $306K, described as “Apartment renovation in compliance with AC28-104.7; Filing for minor removals and construction of interior partitions as shown on plan set filed herewith. No change in use, egress or occupancy under this application.”
- Alteration, filed Jul 22, 2025, estimated cost $120K, described as “General construction to renovate existing 1ST floor commercial space. Work will include new partitions & finishes, new plumbing, and new dropped ceilings. No change in use, egress, or occupancy under this filing.”
- Alteration, filed Jun 10, 2025, estimated cost $60K, described as “Install 8 ton heat pump. Connect to buildings conddenser water. Distribution duct work will be installed when a tenant rents the space.”
- Alteration, filed Oct 15, 2021, estimated cost $15K, described as “Installation of temporary needle beam per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Aug 25, 2021, estimated cost $5K, described as “For installation of a suspended scaffold attached to building structure. No counterweights.”
- Alteration, filed Jun 30, 2021, estimated cost $1K, described as “This application is filed for a temporary use permit for a sales office including model apartments pursuant to section ac-28-111 and buildings bulletin 2010-002.application filed in conjunction with NB# 121190424.”
- Alteration, filed Feb 22, 2021, estimated cost $1000, described as “Boiler installation associated with nb construction. NB filed under 121190424. Energy Analysis completed under related NB application.”
- Alteration, filed Jun 2, 2020, described as “Installation of temporary supported scaffold per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
Property taxes
- Assessment
- $19,084,945
- 2026–27 tax
- $2,053,880
- Market value (city estimate)
- $42,410,978
- Taxable value
- $17,995,378
- Assessed land
- $2,162,702
- Assessed improvements
- $16,922,243
- Condo units with their own tax lots
- 48
Tax breaks
- Co-op and condo abatement, with no end date, a $178,025 credit this tax year.
Zoning
M1-8A/R11: floor area ratio 10.60 built, 12.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 9, 2026: $54,208, Unit PH
- Aug 18, 2026: $9,850,000, Apt 20A
- Jul 24, 2026: $3,475,000, Apt 7A
- Jul 13, 2026: $1,825,000, Apt 8B
- May 11, 2026: $12,000,000, Unit PH
- Apr 13, 2026: $22,000, Unit TH
- Mar 3, 2026: $4,995,000, Apt 17A
- Aug 8, 2025: $6,601,289, Unit TH
- May 5, 2025: $10,819,950, Apt 23A
- Apr 29, 2025: $4,473,909, Apt 701
The 10 most recent of 52 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Ladies' Mile Historic District: Historic District, Ladies' Mile Historic District (Historic District). 8 Landmarks Preservation Commission permits are on file.
Board and land use applications
- Midtown South Mixed-Use Plan (MSMX) (City Planning 2024M0142): Zoning map change, Zoning text change, Completed, filed Jan 16, 2025, decided Aug 14, 2025. The Department of City Planning is seeking a Zoning Map amendment from M1-6 and M1-6D to M1-9A/R12, M1-8A/R12, and M1-8A/R11 and a Zoning Text amendment to facilitate the development of housing and support critical economic activity across…
In the news
Flatiron House Wraps Up Construction at 39 West 23rd Street in Flatiron District, Manhattan, New York YIMBY, Feb 21, 2023.