401 West 25th Street, Manhattan
Condominium · 168 units · built 2011 · Block 723, Lot 7502.
Building permits
- Alteration, filed Mar 4, 2026, estimated cost $67K, described as “Herewith filing for modification of mechanical system as per plans filed herewith. No change in use, occupancy or egress.”
- Alteration, filed Feb 19, 2026, estimated cost $10K, described as “Addition of air curtain to existing HVAC systems including ac unit, fans, duct heater, ductwork, accessories, etc.”
- Alteration, filed Feb 19, 2026, estimated cost $37K, described as “Replacing and adding new plumbing fixtures with related plumbing piping for new restrooms, exam/office room, and new water fountain.”
- Alteration, filed Jul 24, 2025, estimated cost $10K, described as “Modify existing sprinkler system in the area of work on the 1ST floor. Sprinkler work includes, reolcating, replacing, and removing sprinkler heads. No change to use, egress, or occupancy.”
- Alteration, filed Jul 24, 2025, estimated cost $58K, described as “Mechanical work on the 1ST floor commercial space as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Jul 24, 2025, estimated cost $23K, described as “Plumbing work on the 1ST floor as per plans filed herewith. No changer, egress, or occupancy.”
- Alteration, filed Jul 21, 2025, estimated cost $183K, described as “Interior fit-out of an existing vacant tenancy space on the first floor as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Jul 20, 2023
Property taxes
- Assessment
- $20,556,900
- 2026–27 tax
- $514,028
- Market value (city estimate)
- $45,682,000
- Taxable value
- $4,185,583
- Assessed land
- $1,350,000
- Assessed improvements
- $19,206,900
- Condo units with their own tax lots
- 4
Tax breaks
- 421-a exemption, through Jun 30, 2033, about $1,853,796 a year below the full tax.
Zoning
R8: floor area ratio 13.72 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.
Board and land use applications
- ELLIOT CHELSEA HOUSE (City Planning P2010M0174): Completed, decided Jun 30, 2010. TEXT CHANGE FOR THE GRANT OF AN AUTH TO CONSTRUCT A MIXED*USE BLDG