507 Madison Avenue, Manhattan
Commercial · built 1929 · Block 1288, Lot 51.
Building permits
- Alteration — Large Commercial, filed Oct 6, 2026, estimated cost $140K, 1 unit
- Alteration — Tower, filed Oct 30, 2024, estimated cost $80K, 22 stories
- Alteration — Tower, filed Jul 30, 2024, estimated cost $250K, 1 unit, 22 stories
- Alteration — Tower, filed Apr 4, 2023, estimated cost $88K, 21 stories
- Alteration, filed Dec 8, 2021, estimated cost $195K
- Alteration, filed Dec 8, 2021, estimated cost $49K
- Alteration — Tower, filed Nov 8, 2021, estimated cost $630K, 21 stories
- Alteration, filed Oct 21, 2021, estimated cost $1K
- Alteration, filed Oct 21, 2021, estimated cost $1K
- Alteration, filed Jul 10, 2020, estimated cost $50K
- Alteration, filed Jul 10, 2020, estimated cost $25K
- Alteration, filed Mar 6, 2020, estimated cost $25K
- Alteration — Large Commercial, filed Sep 3, 2019, estimated cost $741K, 1 unit
Property taxes
- Assessment
- $20,984,850
- Last year’s tax
- $2,276,437
- Land value
- $6,930,000
- Improvement value
- $14,054,850
Zoning
C5-3: built 19.54 of 15.00 allowed floor area ratio.
In the news
Rendering Revealed for Office-To-Hotel Conversion At 509 Madison Avenue in Midtown, Manhattan, New York YIMBY, Jan 12, 2026.