793 Madison Avenue, Manhattan
Mixed use · 1 unit · built c. 1881 · Block 1382, Lot 24.
Building permits
- Alteration, filed Oct 30, 2026, estimated cost $10K, described as “Installation of system scaffolding and shed as per plans. All equipment shall comply with chapter # 33 of the 2022 code. No change in use occupancy or egress under this application.”
- Alteration, filed Apr 11, 2023, estimated cost $15K, described as “Provide temporary shoring to locally demolish existing masonry pier from 1ST floor down to basement. No change in use, egress or occupancy.”
- Alteration, filed May 27, 2022, estimated cost $85K, described as “Hereby filing SOE for excavation at rear patio of existing building and adjacent building for installation of new exterior elevator pit”
- Alteration, filed Feb 22, 2022, described as “Installation of temporary fence as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 22, 2022, estimated cost $1K, described as “Installation of temporary barricade as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 3, 2022, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 3, 2022, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jan 28, 2022, estimated cost $220K, described as “Hereby filing structural and foundation work for new elevator shaft extension. In conjunction with enlargement under Alt-1#121208683. please see alt-1 for zoning and any enlargement information.”
- Alteration, filed Dec 13, 2021, estimated cost $140K, described as “Hereby filing HVAC system and related ductwork & piping per plans filed herewith. No change to use, egress or occupant”
- Alteration, filed Aug 26, 2021, estimated cost $50K, described as “Hereby filing new sprinkler installation as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Aug 26, 2021, estimated cost $60K, described as “Hereby filing plumbing work that includes demolition of existing plumbing system and installing new water heaters, booster pumps and new plumbing piping for all plumbing fixtures Filing.”
- Alteration, filed Jun 10, 2021, estimated cost $80K, described as “Hereby filing to demolish and construct interior partitions, doors and ceilings, as shown on plans filed herewith. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $5,350,500
- 2026–27 tax
- $556,971
- Market value (city estimate)
- $11,890,000
- Taxable value
- $5,134,320
- Assessed land
- $1,800,000
- Assessed improvements
- $3,550,500
Zoning
C5-1: floor area ratio 4.23 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Landmarks
Part of Upper East Side Historic District (Historic District). 35 Landmarks Preservation Commission permits are on file.
In the news
793 Madison Avenue’s Renovation Progresses on Manhattan’s Upper East Side, New York YIMBY, Mar 27, 2023.