# NEW YORK | One Madison Avenue | 404 FT | 27 FLOORS

**URL:** <https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452>\
**Category:** Completed\
**Created:** [July 19, 2018, 10:55pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452 "2018-07-19T22:55:42Z")\
**Posts on this page:** 8\
**Page:** 8

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**Author:** ![stache](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/stache/32/30186_2.png) [@stache](https://forum.newyorkyimby.com/u/stache)\
**Post date:** [December 3, 2024, 4:15pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/141 "2024-12-03T16:15:42Z")

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This building is already out of style.

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**Author:** ![streetscaper](https://avatars.discourse-cdn.com/v4/letter/s/779978/32.png) [@streetscaper](https://forum.newyorkyimby.com/u/streetscaper)\
**Post date:** [March 21, 2025, 11:37am UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/142 "2025-03-21T11:37:17Z")

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![00biz-CRE-MARKET-7-fcvg-superJumbo](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/b/5/b593bee1b810b89732dc9f99338243c3041cf5d0.jpeg)

> **[Office Market Poised to Rebound as Work From Home Policies End](https://www.nytimes.com/2025/03/20/business/office-market-bottom-remote-work.html)**
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> Sales of office buildings jumped nearly 21 percent last year, and leasing activity is up, too. Companies are looking for more space as work-from-home policies peter out.

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**Author:** ![Waymond\_Womano](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/waymond_womano/32/7078_2.png) [@Waymond\_Womano](https://forum.newyorkyimby.com/u/Waymond_Womano)\
**Post date:** [July 17, 2025, 1:51pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/143 "2025-07-17T13:51:31Z")

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> **[Sigma Computing inks 64k sf lease at SL Green’s One Madison](https://therealdeal.com/new-york/2025/07/16/sigma-computing-inks-64k-sf-lease-at-sl-greens-one-madison/)**
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> Sigma Computing, a cloud-based data analytics and software platform, signed a lease for 64,000 sf at SL Green’s One Madison Avenue, joining tech tenants like IBM and Coinbase.

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**Author:** ![Waymond\_Womano](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/waymond_womano/32/7078_2.png) [@Waymond\_Womano](https://forum.newyorkyimby.com/u/Waymond_Womano)\
**Post date:** [November 5, 2025, 5:51pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/144 "2025-11-05T17:51:20Z")

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> **[Harvey AI Signs 93K-SF Lease at One Madison Avenue](https://commercialobserver.com/2025/10/harvey-ai-lease-one-madison-avenue/)**
>
> Harvey AI Corporation, better known as Harvey, signed a lease for 92,663 square feet on the entire sixth floor of One Madison Avenue.

> **[Sigma Computing Grows by 28K SF at One Madison Avenue](https://commercialobserver.com/2025/11/sigma-computing-grows-by-28k-sf-at-one-madison-avenue/)**
>
> The company has inked an 11-year expansion lease that adds 28,286 square feet to its footprint at One Madison Avenue.

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**Author:** ![JC\_Heights](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/jc_heights/32/90668_2.png) [@JC\_Heights](https://forum.newyorkyimby.com/u/JC_Heights)\
**Post date:** [November 16, 2025, 5:28am UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/145 "2025-11-16T05:28:26Z")

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![24690](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/7/a/7a5b130f062d0896d803b1e8ba0d3cf3509e9045.jpeg)  
 ![24650](https://us1.discourse-cdn.com/flex019/uploads/yimby/original/3X/e/e/ee01ce015f8107a9ea0e05abb8f70ec603c9ca4d.jpeg)

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**Author:** ![Waymond\_Womano](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/waymond_womano/32/7078_2.png) [@Waymond\_Womano](https://forum.newyorkyimby.com/u/Waymond_Womano)\
**Post date:** [March 5, 2026, 6:45pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/146 "2026-03-05T18:45:45Z")

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> **[Crypto Exchange Coinbase Invests $30M in Office at One Madison Avenue](https://commercialobserver.com/2026/03/coinbase-expand-office-one-madison-avenue/)**
>
> The office renovation is part of a $750 million investment Coinbase is making to establish a cryptocurrency hub in New York City.

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**Author:** ![Waymond\_Womano](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/waymond_womano/32/7078_2.png) [@Waymond\_Womano](https://forum.newyorkyimby.com/u/Waymond_Womano)\
**Post date:** [March 9, 2026, 4:59pm UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/147 "2026-03-09T16:59:44Z")

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> **[SL Green’s One Madison is fully occupied](https://therealdeal.com/new-york/2026/03/09/sl-greens-one-madison-is-fully-occupied/)**
>
> Harvey AI doubled its footprint at the Midtown South building to roughly 185,000 square feet, marking 100% occupancy

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<div class="post-metadata">

**Author:** ![Waymond\_Womano](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.newyorkyimby.com/waymond_womano/32/7078_2.png) [@Waymond\_Womano](https://forum.newyorkyimby.com/u/Waymond_Womano)\
**Post date:** [March 27, 2026, 1:13am UTC](https://forum.newyorkyimby.com/t/new-york-one-madison-avenue-404-ft-27-floors/4452/148 "2026-03-27T01:13:36Z")

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> **[SL Green Secures $1.65B Refi for Historic NYC Office Tower](https://commercialobserver.com/2026/03/sl-green-1-65b-refi-one-madison-avenue/)**
>
> Wells Fargo Bank was joined by Goldman Sachs, J.P. Morgan, Bank of America, Deutsche Bank and Crédit Agricole in originating the CMBS loan.

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