945 Madison Avenue, Manhattan
Museum · built 1966 · Block 1389, Lot 50.
Building permits
- No Work, filed Sep 10, 2026, described as “Four day art fair for ticketed guests only.”
- No Work, filed Mar 31, 2026, described as “Lecture in the lobby of the gallery.”
- No Work, filed Feb 4, 2026, described as “Fashion show in the 4th floor galleries.”
- No Work, filed Jan 12, 2026
- No Work, filed Aug 12, 2025
- No Work, filed Aug 12, 2025
- No Work, filed Aug 12, 2025
- No Work, filed Aug 12, 2025
- No Work, filed Aug 12, 2025
- Alteration, filed Aug 6, 2025, estimated cost $10K, described as “Equipment use: single 7000 # capacity personnel hoist during bldg alteration, filed sep. Hoist shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application. Elevator application submitted separately”
- Alteration, filed Jul 10, 2025, estimated cost $2K, described as “Temporary crash deck platforms as per drawings. Crash deck platforms shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Jun 4, 2025, estimated cost $2K, described as “Construction fence enclosure as per drawings. Fence enclosure shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed May 15, 2025, estimated cost $3K, described as “Temporary system scaffold as per drawings. Scaffold shall comply with ch #33 ofthe NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed May 15, 2025, estimated cost $2K, described as “Temporary bulkhead enclosure as per drawings. Bulkhead enclosure shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 16, 2025, estimated cost $1K, described as “Heavy duty sidewalk shed during bldg alteration, filed sep. Sidewalk shed shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 16, 2025, estimated cost $2K, described as “Temporary roof protection at adjoining property during bldg alteration, filed sep. Temporary roof protection shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 16, 2025, estimated cost $2K, described as “Temporary work platform as per drawings. Work platform shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Apr 16, 2025, estimated cost $1K, 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 Jan 13, 2025, estimated cost $1K, described as “Installation of temporary pipe scaffold as per plan. No change in use, egress or occupancy. The pipe scaffold from level 6 to the penthouse roof.”
- Alteration, filed Jan 10, 2025, estimated cost $986K, described as “Removal of portions of existing roofing and roof slab to facilitate installation of new elevator bulkhead, new generator and platform. New overhead door at loading dock. Proposed change of use from zug 3 to zug 6.”
- Alteration, filed Jan 30, 2024, estimated cost $5K, described as “Filing for installation of temporary modular tent as per plans submitted herewith. No change to use, egress, or occupancy.”
- No Work, filed Jan 30, 2024, described as “Ball”
- No Work, filed May 2, 2023, described as “Spring Party”
- Alteration, filed May 2, 2023, estimated cost $5K, described as “Filing for installation of temporary modular tent as per plans submitted herewith. No change to use, egress, or occupancy.”
- No Work, filed Mar 28, 2023, described as “Young fellows ball”
10 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $23,128,650
- 2026–27 tax
- $2,408,015
- Market value (city estimate)
- $51,397,000
- Taxable value
- $22,197,774
- Assessed land
- $10,395,000
- Assessed improvements
- $12,733,650
Zoning
C5-1 (part of the lot is R8B): floor area ratio 3.91 built, 10.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Nov 1, 2024: $100,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Upper East Side Historic District: Historic District, (Former) Whitney Museum of American Art: Individual Landmark, (Former) Whitney Museum of American Art Interior (Interior Landmark). 50 Landmarks Preservation Commission permits are on file.
Board and land use applications
- (Former) Whitney Museum of American Art Interior (City Planning 2025M0452): Completed, filed Jun 5, 2025, decided Sep 25, 2025. The Landmarks Preservation Commission is requesting a report from the City Planning Commission on the interior landmark designation of the (Former) Whitney Museum of American Art, located within the Upper East Side Historic District at 26…
- (Former) Whitney Museum of American Art (City Planning 2025M0451): Completed, filed Jun 4, 2025, decided Sep 25, 2025. The Landmarks Preservation Commission (LPC) is requesting a report from the City Planning Commission on the landmark designation of the (Former) Whitney Museum of American Art, located within the Upper East Side Historic District at 26…
- Appeal (Board of Standards and Appeals 166-13-A): Appeal, Withdrawn, filed May 31, 2013, decided Aug 20, 2013. Appeal of NYC Department of Buildings’ determination that a public assembly permit is required, pursuant to Building Code Sections 28-117, 28-102,4,3 and C2-116.0. C5-1/R8B zoning districts.
In the news
LPC to Review Proposal for Modifications to 945 Madison Avenue on Manhattan’s Upper East Side, New York YIMBY, Jul 26, 2025.