1050 Riverside Drive, Manhattan
Hospital · built c. 1930 · Block 2139, Lot 17.
Building permits
- Alteration, filed May 19, 2026, estimated cost $435K, described as “Application filed for brick replacement, corner rebuilding, concrete paving and limestone repair of Vault and Main entrance. No changes to egress, use or occupany”
- Alteration, filed Mar 19, 2026, estimated cost $1K, described as “Installation of temporary construction barriers as per plan. No change in use, egress or occupancy.”
- Alteration, filed Mar 4, 2026, estimated cost $100K, described as “Construction of a new foundation vault wall that is part of a 20-story hospital building as per plans filed herewith allan rosenfield building”
- Alteration, filed Feb 17, 2026, estimated cost $9K, described as “Installation of construction fence as per plans in complaince with chaper 33 of NYC BC, no change in use, egress or occupancy”
- Alteration, filed Oct 22, 2025, estimated cost $112K, described as “SOE work at Columbia University Irving Medical Center Allen Rosenfield Building - North Vault Shoring- Vault Walls at Boring Infill work as per plans filed herewith.”
- Alteration, filed Jul 24, 2025, estimated cost $1K, described as “Installation of material only hoists as per drawings. Hoists shall comply with ch #33 of the NYC bldg code. No change in use, occupancy or egress under this application.”
- Alteration, filed Jun 10, 2025, estimated cost $100K, described as “Filing to show existing plumbing fixtures as installed by DASNY prior to CUMC ownership. work performed under job 104264207 and 103955506”
- Alteration, filed Mar 26, 2024, described as “Installation of suspended scaffold during facade inspection/ repair and hoist.”
- Alteration, filed Oct 24, 2023, described as “Installation of temporary plywood enclosure as per plans. No change in use, egress or occupancy.”
- Alteration, filed Aug 22, 2023, described as “Installation of temporary sidewalk shed/storage as per plan. No change in use,egress or occupancy.”
- Alteration, filed Aug 16, 2023, estimated cost $2.0M, described as “Facade restoration for cycle 9A, window replacement as per plans filed herewith. No change to use, egress or occupancy filed under this application.”
- Alteration, filed Jun 15, 2023, estimated cost $250K, described as “Application filed for framing, new dunnage, slab as per plan. No change to egress, use or occupancy”
- Alteration, filed Jun 14, 2023, estimated cost $4.0M, described as “Application filed for interior partitions, ceiling, doors, walls, floors, Patch/repair, exterior windows at Bio Bank as per plan. No change to egress, use or occupancy”
- Alteration, filed May 8, 2023, estimated cost $4.7M, described as “Interior build out of walls, doors, slab, stair relocation, partition, millwork”
- Alteration, filed Apr 4, 2022, estimated cost $568K, described as “LOBBY & STUDENT LOUNGE RENOVATION removal and installation of air handling unit and radiators”
- Alteration, filed Apr 1, 2022, estimated cost $43K, described as “Plumbing and sprinkler modification”
- Alteration, filed Mar 28, 2022, estimated cost $750K, described as “Removal of paritition for assessory lounge”
- Alteration, filed Nov 17, 2021, estimated cost $5K, described as “Installation of 300 psf sidewalk shed and overhead protection as per plans. Sidewalk shed shall comply with chapter #33 of the 2014 code. No change in use, egress or occupancy under this application.”
- Alteration, filed Dec 12, 2018, estimated cost $5K, described as “Installation of a temporary construction fence at public plaza”
Property taxes
- Assessment
- $23,536,800
- Market value (city estimate)
- $52,304,000
- Taxable value
- $0
- Assessed land
- $900,000
- Assessed improvements
- $22,636,800
Zoning
R8: floor area ratio 10.38 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.