419 Park Avenue South, Manhattan
Commercial · built c. 1927 · Block 884, Lot 84.
Building permits
- Alteration, filed Jun 24, 2026, estimated cost $10K, described as “Installation of 300 psf sidewalk shed as per plans. All equipment shall comply with chapter #33 of the 2022 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Mar 5, 2026, estimated cost $3K, described as “Temporary hoist run-back structure during bldg conversion, filed separately. Hoist run-back structure shall comply with ch #33 of the NYC bldg code. No change in use, occupancy or egress under this application. Hoist & elevator appl…”
- Alteration, filed Feb 24, 2026, estimated cost $3K, described as “Construction fence as per drawings. Construction fence shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application. Dot permits by others for fence installed on sidewalk/roadway.”
- Alteration, filed Feb 12, 2026, described as “Inspection using industrial rope access techniques and methods. See attached plans designated primary site supervisor: Diego Buri Cumbe”
- Alteration, filed Jan 9, 2026, estimated cost $200K, described as “Filing for a temp standpipe system for the purposes of a system stair during construction as per plans filed herewith. No change to use, egress or occupancy in this application.”
- Alteration, filed Sep 29, 2025, estimated cost $750K, described as “Filing for removal of related bulkheads and associated work throughout the building as per plans filed herewith. No change in use, egress or occupancy in this application.”
- Major Renovation — Conversion, filed Sep 4, 2025, estimated cost $35.0M, 111 units added, 21 stories, described as “Filing for conversion of 20 story building from commercial to mixed use residential building, adding 1 story via ZR 54-53 as per plans filed herewith.”
- Alteration, filed May 30, 2025, estimated cost $50K, described as “Filing for temp standpipe in Stair A as per plans filed herewith. This project is participating in the Major Projects Program - Project# 409.”
- Alteration, filed May 28, 2025, estimated cost $250K, described as “Application filed herewith for interior removals and new work as indicated on plans filed herewith, limited to the 3rd through 16th floors as they are currently unoccupied, including the creation of an enclosed convenience stair.”
- Alteration, filed Apr 14, 2025, estimated cost $1.2M, described as “Filing for removal of interior non load bearing partitions and finishes as per plans filed herewith. This property is participating in the Major Projects Program - Project# 409.”
- Alteration, filed Apr 24, 2024, estimated cost $5K, described as “Installation of roof protection & protection of verizon cell antennas at 411 park ave. South in order to complete facade work at 419 park ave. South. Access agreement is available on site. No change in use, egress or occupacny.”
- Alteration, filed Mar 1, 2024, described as “Facade Restoration”
- Alteration, filed Dec 22, 2023, described as “IRA Inspection”
- Alteration, filed Mar 9, 2023, described as “Sidewalk shed”
- Alteration, filed Feb 27, 2023, estimated cost $315K, described as “Filing herewith drawings indicating facade repairs to comply with local 11 / 98. No change in use, egress or occupancy under this application.”
- Alteration, filed Nov 14, 2022, estimated cost $253K, described as “Propose to file for one (1) new 2 ton VRF heat pump and (2) new 14 ton VRF combination heat pump/recovery outdoor units. No change to use, egress or occupancy.”
- Alteration, filed Mar 4, 2020, described as “Installation of sidewalk shed”
- Alteration, filed Nov 4, 2019, estimated cost $19K, described as “Modification to an existing sprinkler system.”
- Alteration, filed Nov 4, 2019, estimated cost $45K, described as “Mechanical work as shown on plans.”
- Alteration, filed Nov 4, 2019, estimated cost $35K, described as “Plumbing work as shown on plans.”
- Alteration, filed Sep 4, 2019, estimated cost $150K, described as “Filing for mechanical modifications and installation of HVAC units to the 9TH floor as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Aug 30, 2019, estimated cost $450K, described as “Filing for mechanical modifications and installation of HVAC units to the 8th, 11th & 12th floor as per plans filed herewith. No change in use,egress or occupancy.”
- Alteration, filed Aug 30, 2019, estimated cost $40K, described as “Filing mechanical modifications and installation of HVAC units as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Aug 23, 2019, estimated cost $92K, described as “Modification of existing sprinkler system associated with new Commercial tenant (WeWork)”
- Alteration, filed Aug 23, 2019, estimated cost $262K, described as “Mechanical work associated with new commercial tenant (WeWork)”
1 more, older permit is in this building’s full list on the map.
Property taxes
- Assessment
- $18,389,700
- 2026–27 tax
- $1,924,291
- Market value (city estimate)
- $40,866,000
- Taxable value
- $17,738,670
- Assessed land
- $4,995,000
- Assessed improvements
- $13,394,700
Zoning
C6-4A: floor area ratio 16.55 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
- Aug 8, 2024: $72,180,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Flatiron BID Expansion (City Planning 2021M0260): Business improvement district, Completed, filed Nov 30, 2020, decided May 19, 2021. An application from the Small Business Services (SBS) on behalf of the Flatiron Business Improvement District (BID) to modify the existing plan and expand the BID in Community Districts 4 and 5 of Manhattan.