350 Madison Avenue, Manhattan
Commercial · built c. 1922 · Block 1279, Lot 57.
Building permits
- Alteration, filed Sep 16, 2026, described as “IRA to assist with Condition Assessment”
- Alteration, filed Oct 18, 2021, estimated cost $25K, described as “Infill of existing second floor stair opening and dumbwaiter opening. No change to use, egress or occupancy.”
- Alteration, filed Oct 1, 2021, estimated cost $8K, described as “Modifications to sprinkler system in 15TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Oct 1, 2021, estimated cost $23K, described as “Remove and install duct work, diffusers and related HVAC equipment in 15TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Oct 1, 2021, estimated cost $20K, described as “Install plumbing fixtures and related piping in 15TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Sep 29, 2021, estimated cost $350K, described as “Interior renovation to 15TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Sep 28, 2021, estimated cost $360K, described as “Install new partitions, ceilings, lighting and finishes in 6TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Sep 22, 2021, estimated cost $19K, described as “Install new sprinkler heads in 6TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Sep 22, 2021, estimated cost $280K, described as “Install new diffusers, ductwork and components in 6TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Sep 22, 2021, estimated cost $22K, described as “Install new pantry fixtures in 6TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Aug 26, 2021, estimated cost $110K, described as “Install new crac unit and related piping in 8TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Aug 19, 2021, estimated cost $11K, described as “Remove doors, finishes and millwork from portion of 15TH floor office space. No change to use, egress or occupancy.”
- Alteration, filed Jun 15, 2021, estimated cost $100K, described as “Interior renovation of commercial space. Remove and install walls, floor finishes and hung ceilings. No change to use, egress or occupancy.”
- Alteration, filed Jun 14, 2021, estimated cost $15K, described as “Removal and installation of mechanical ductwork, new diffusers, related piping and HVAC units. No change to use, egress or occupancy.”
- Alteration, filed Jun 9, 2021, estimated cost $30K, described as “New steel framing for new stair landing”
- Alteration, filed Jun 8, 2021, estimated cost $15K, described as “Modification of existing sprinkler system to install, remove and relocate sprinklers heads. No change to use, egress or occupancy.”
- Alteration, filed Jun 8, 2021, estimated cost $15K, described as “Installation of new plumbing piping and fixtures. No change to use, egress or occupancy.”
- Alteration, filed Jun 4, 2021, estimated cost $124K, described as “Interior demolition of existing walls, doors ceilings and floor finishes in this commercial space as per plans”
- Alteration, filed Jun 3, 2021, estimated cost $26K, described as “Removal of sprinkler heads and related piping. Installation of temporary sprinkler loop.”
- Alteration, filed Jun 3, 2021, estimated cost $11K, described as “Removal of plumbing fixtures and related piping”
- Alteration, filed Jun 3, 2021, estimated cost $234K, described as “Interior remodeling of 17th floor, partial demolition of the existing ceiling, flooring finish, doors and non-load bearing partitions. Construction of new partitions, ceilings, and flooring for new tenant fit-up. No changes to use egress…”
- Alteration, filed Jun 3, 2021, estimated cost $20K, described as “Removal of ac unit and chiller including supply and return duct work,condenser water pipes, drain pipe, chilled water pipes,power and controls.”
- Alteration, filed Mar 29, 2021, estimated cost $300K, described as “Proposed facade repairs as per plans filed herweith. There is no change in use, egress or occupancy.”
- Alteration, filed Mar 3, 2021, estimated cost $31K, described as “Interior Remodel - Addition of one private office, partial demolition of existing ceiling. Construction of new walls and finishes.”
- Alteration, filed Nov 6, 2020, estimated cost $90K, described as “Upgrades to the existing HVAC system as per plans filed.”
5 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $61,660,350
- 2026–27 tax
- $6,507,124
- Market value (city estimate)
- $137,023,000
- Taxable value
- $59,984,550
- Assessed land
- $11,790,000
- Assessed improvements
- $49,870,350
Zoning
C5-3 (part of the lot is C5-2.5): floor area ratio 20.25 built, above the 15.00 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
- Change to an earlier grant (Board of Standards and Appeals 697-70-BZ): Change to an earlier grant, Granted, filed Jun 17, 1999, decided Jan 11, 2000. Rescindment of the resolution.
- Greater East Midtown - Special Subdistrict (City Planning P2016M0316): Completed, decided Aug 15, 2017. This is an application by NYC Department of City Planning requesting a text amendment to establish the East Midtown Subdistrict and extend the Special Midtown District, and to rezone a half-block area from C5-2 to C5-3 to reinforce the…