# NEW YORK | 809 Madison Avenue | FT | FLOORS

**URL:** <https://forum.newyorkyimby.com/t/new-york-809-madison-avenue-ft-floors/24922>\
**Category:** New York\
**Created:** [September 21, 2025, 7:57pm UTC](https://forum.newyorkyimby.com/t/new-york-809-madison-avenue-ft-floors/24922 "2025-09-21T19:57:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mackensen](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/mackensen/32/138218_2.png) [@Mackensen](https://forum.newyorkyimby.com/u/Mackensen)\
**Post date:** [September 21, 2025, 7:57pm UTC](https://forum.newyorkyimby.com/t/new-york-809-madison-avenue-ft-floors/24922/1 "2025-09-21T19:57:30Z")

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> Macklowe was able to get the LPC on board with his plans, sources said, which include using air rights he acquired to expand the building and convert it into large, 4,000-square-foot single-floor apartments. There will also be an expansive penthouse with a 1,500-square-foot terrace.

> **[Macklowe nabs Madison Ave site for next condo project](https://therealdeal.com/new-york/2025/09/20/harry-macklowe-buys-809-madison-avenue-for-condo-conversion/)**
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> 88-year-old developer Harry Macklowe will convert 809 Madison Avenue into condos designed by Robert A.M. Stern.

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**Author:** ![colrain](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/colrain/32/38661_2.png) [@colrain](https://forum.newyorkyimby.com/u/colrain)\
**Post date:** [September 23, 2025, 1:33pm UTC](https://forum.newyorkyimby.com/t/new-york-809-madison-avenue-ft-floors/24922/2 "2025-09-23T13:33:28Z")

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Significant penthouse, rear lot line addition, and window enlargement. Overall big improvement.

 ![Screenshot 2025-09-23 at 06-28-45 809-Madison-Avenue.pdf](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/4/a/4a3e5f62b8bd391b29d3c034d06cd1d0826ca0a2.jpeg)

 ![Screenshot 2025-09-23 at 06-32-19 809-Madison-Avenue.pdf](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/5/6/56f38df7b5ad07e055546922dab82c9375a3bc4a.jpeg)

 ![Screenshot 2025-09-23 at 06-32-03 809-Madison-Avenue.pdf](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/3/1/31303d08d03856ee0e34a41e12e16362f2269284.jpeg)

 ![Screenshot 2025-09-23 at 06-30-03 809-Madison-Avenue.pdf](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/d/2/d2895ea9a8d8114533efaa32bbfc83d0980983f0.png)

 ![Screenshot 2025-09-23 at 06-29-36 809-Madison-Avenue.pdf](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/5/d/5d6e69f4a2e8e7d08abee82eb3e2c761d7289643.jpeg)

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<div class="post-metadata">

**Author:** ![colrain](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/colrain/32/38661_2.png) [@colrain](https://forum.newyorkyimby.com/u/colrain)\
**Post date:** [September 23, 2025, 5:20pm UTC](https://forum.newyorkyimby.com/t/new-york-809-madison-avenue-ft-floors/24922/3 "2025-09-23T17:20:54Z")

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Revisions made a better design:

 ![SetNn1O](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/c/c/cc23a9603fcba3ff73ee7370701a2d3f4773c120.png)  
 ![YKlKOWH](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/e/9/e90bcf1e74203f2761e00965b39b3a70b5321e48.png)  
 ![srjZdvx](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/7/1/71a8dbfd05c307c7f97736eeadd6005818096d62.png)