441 Ninth Avenue, Manhattan
Office condominium · built 1962 · Block 732, Lot 7501.
Building permits
- Alteration, filed Oct 6, 2026, estimated cost $200K, described as “Filing for removal of convenience stair and infill of floor slab (peloton space) as per plans. Structural, sprinkler and fire alarm filed separately. No change in use, egress or occupancy.”
- Alteration, filed Aug 26, 2026, estimated cost $185K, described as “Interior renovation, non-bearing partitions, flooring, ceilings as per plans. No change in use, occupancy or egress”
- Alteration, filed Jul 22, 2026, estimated cost $30K, described as “Filing to address FDNY violation, registration of hood exhaust and kitchen equipment.”
- Alteration, filed May 22, 2026, estimated cost $141K, described as “Removal and installation of walls, doors, floor finishes, and ceilings as per plans. No change in use, occupancy or egress”
- Alteration, filed Apr 3, 2026, estimated cost $107K, described as “Removal of all walls, floor finishes, ceiling lighting, power, voice data, and millwork on the 24 floor office space as per plans. No change in use, occupancy, or egress”
- Alteration, filed Mar 30, 2026, estimated cost $400K, described as “Removal of existing convenience stair between the 5th and 6th floors, removal of associated walls and platform, and add new slab infill at the 6th floor as per plans. NO CHANGE IN USE, OCCUPANCY OR EGRESS”
- Alteration, filed Oct 15, 2025, estimated cost $26K, described as “Modification of existing sprinkler system.”
- Alteration, filed Oct 15, 2025, estimated cost $5K, described as “Removal of plumbing fixtures and related piping”
- Alteration, filed Oct 15, 2025, estimated cost $137K, described as “Removal and installation of ductwork, diffusers, fans and related mechanical piping.”
- Alteration, filed Oct 1, 2025, estimated cost $1K, described as “Install exterior illuminated wall sign (limusina)”
- Alteration, filed Oct 1, 2025, estimated cost $150, described as “Install exterior illuminated blade sign (limusina)”
- Alteration, filed Oct 1, 2025, estimated cost $150, described as “Install exterior illuminated blade sign (limusina)”
- Alteration, filed Oct 1, 2025, estimated cost $1K, described as “Install exterior illuminated wall sign (limusina)”
- Alteration, filed Oct 1, 2025, estimated cost $1K, described as “Install exterior illuminated wall sign (limusina)”
- Alteration, filed Oct 1, 2025, estimated cost $150, described as “Install exterior illuminated blade sign (limusina)”
- Alteration, filed Sep 12, 2025, estimated cost $375K, described as “General construction for the removal and istallation of walss, doors, floor finishes and ceilings as per plans.”
- Alteration, filed Jul 1, 2025, estimated cost $200K, described as “Installation of interior non-bearing partitions and related finishes as per plans.”
- Alteration, filed Mar 24, 2025, estimated cost $9K, described as “Modification of existing Sprinkler System, No Change to Use, Egress or Occupancy.”
- Alteration, filed Mar 24, 2025, estimated cost $104K, described as “Removal and installation of ductwork, diffusers, fans and related mechanical piping. No Change to Use, Egress or Occupancy.”
- Alteration, filed Mar 13, 2025, estimated cost $143K, described as “General construction for installation of walls, doors, floor finishes and ceilings as per plans, no change to use, egress or occupancy.”
- Alteration, filed Feb 11, 2025, estimated cost $142K, described as “The scope of work involves the installation of framing to support a raised dining platform, leveling the existing slab with concrete, and support of MEP equipment.”
- Alteration, filed Feb 11, 2025, estimated cost $459K, described as “Removal and Installation of plumbing fixtures, gas fixtures and related fixture piping and gas piping, No Change to Use, Egress or occupancy.”
- Alteration, filed Feb 11, 2025, estimated cost $885K, described as “Removal and Installation of ductwork, diffusers, fans, AC units and related mechanical piping, Installation of Commercial Kitchen Rangehood Exhaust System. No Change to Use, Egress or occupancy.”
- Alteration, filed Feb 10, 2025, estimated cost $450K, described as “Modification of existing sprinkler system, No Change to Use, Egress or occupancy.”
- No Work, filed Jan 27, 2025
65 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $102,324,600
- 2026–27 tax
- $7,181,246
- Market value (city estimate)
- $227,388,000
- Taxable value
- $96,798,327
- Assessed land
- $7,160,400
- Assessed improvements
- $95,164,200
- Condo units with their own tax lots
- 2
Zoning
C6-4: floor area ratio 12.90 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 17, 2021: $1,033,000,000, Apt 1, sold with other lots
Open-market sales since 2016, from the Department of Finance’s sales files.