419 East 91st Street, Manhattan
Care facility · built c. 1920 · Block 1571, Lot 14.
Building permits
- Alteration, filed Mar 22, 2024, described as “Application for the installation and use of suspended scaffold as per plans filed here. No change in egress, use or occupancy.”
- Alteration, filed Aug 22, 2023, estimated cost $25K, described as “Install an emergency generator in conjunction with Alt 140993398”
- Alteration, filed Aug 9, 2021, estimated cost $10K, described as “Cap and removal of wet sprinkler system at existing 3-story building. This job is in conjunction with partial demolition JOB#M00563313-I1. No change of use, egress, or occupancy under this application.”
- Alteration, filed Jul 29, 2021, estimated cost $23K, described as “Proposed means and methods of demolition in conjunction with ALT1 application number 140993398.”
- Alteration, filed Jun 24, 2021, estimated cost $1K, described as “Installation of temporary overhead protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jun 24, 2021, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jun 24, 2021, estimated cost $1K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed May 25, 2021, estimated cost $125K, described as “Foundation work in conjunction with ALt1 filing #140993398”
- Alteration, filed May 14, 2021, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Apr 21, 2021, estimated cost $406K, described as “Plumbing work as per plans in conjunction with ALT1 application #140993398. Provide new sprinkler system to entire building according to NYC bc and n.f.p.a.#13-2007.”
- Alteration, filed Apr 21, 2021, estimated cost $19K, described as “Provide new Mechanical system for entire building as per plans, in conjunction with Alt1 application 140993398.”
- Alteration, filed Apr 15, 2021, estimated cost $547K, described as “Structural work in conjunction with ALt1 Application #140993398”
- Alteration, filed Mar 15, 2021, estimated cost $3K, described as “Temporary bracing of parapet wall to comply with IED number 16034 as per plans filed no change in use, egress or occupancy”
- Alteration, filed Feb 3, 2021, estimated cost $1K, described as “Install constriction fence as per plans filed. fence should not extend 3' past the property line without DOT permits”
Property taxes
- Assessment
- $2,304,900
- 2026–27 tax
- $157,398
- Market value (city estimate)
- $5,122,000
- Taxable value
- $1,450,936
- Assessed land
- $1,669,500
- Assessed improvements
- $635,400
Zoning
C8-4: floor area ratio 6.44 built, above the 5.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 28, 2025: $14,900,000
- Jul 21, 2020: $4,300,000, 4,554 sq ft ($944 per sq ft)
Open-market sales since 2016, from the Department of Finance’s sales files.
In the news
419 East 91 Street Completes Construction on Manhattan’s Upper East Side, New York YIMBY, Nov 30, 2025.