NEW YORK | 343 Madison Ave | ~844 FT | 49 FLOORS

In addition to this (even though this lot was zoned under the Vanderbilt Corridor rezoning) many of the outer lots located on the outer region and even many in the center of the overall Midtown East rezoning area will never be supertalls simply because of the lot areas and the redevelopable FAR that they were alloted.

Thinking that every single new development in NYC (particularly those in Midtown) is going to be a supertall just because its NY makes no sense. Sure, air rights can always be purchased from landmark lots, but those air rights are not endless and they will expend at some point.

Office towers will always try to maximize large floor plates and sqft’age on any lot, the height will be a direct factor of the lot, 343 Madison’s lot is slightly over half the size of One Vanderbilt’s lot but they are both zoned the same, so it is just over half the height of One Vanderbilt.

Hotel/residential towers will always try to maximize views, meaning smaller floor plates to allow for better views per unit, also a direct factor of the height because this means a taller building, regardless of the lot size.

4 Likes

https://investors.bxp.com/news-releases/news-release-details/bxp-launches-vertical-construction-343-madison-avenue-midtown

Steel for Phase 1/the MTA entrance started being erected yesterday, I’ve stopped by the site but didn’t take photos. The first column that is apart of the tower is being erected right now.

Another new project quietly rising. This is great news to be shared!

12 Likes

So it’s official? It’s not just the MTA entrance stump but the tower itself as well?

5 Likes

Yes! But construction of the tower will very slightly lag after the MTA entrance, simply because the MTA entrace will still be temporarily built out as always intended while the rest of the foundation for the tower is being excavated.

So there will be just the MTA shoebox for a very brief period before the tower starts to be built around/ontop of it.

8 Likes

There’s a website up with more renders and a video.

6 Likes


https://www.bizjournals.com/newyork/news/2025/07/30/construction-begins-343-madison-office-tower.html

21 Likes

Unnamed financial giant has staked claim on significant fraction of the space? If that’s Amex 2 WTC will wait another 20 years.

4 Likes

Unlikely Amex. Other reporting has the unnamed firm taking 30% of the building. Its not a massive building either, thats only ~270k SF if that.

Amex needs a bigger building

2 Likes

Wonder if it’s Bloomberg. Closer to their other offices than 120 park, yet still around Grand Central…

3 Likes

welcome salad man

2 Likes

So the rumors were true

7 Likes

I’m surprised that many development news outlets are not being that descriptive in their info when BXP already mentioned in their initial press release from yesterday morning some of the things that others are leaving as open items.

2 Likes

Office is back.

3 Likes

Yeah amex looks for north of 1m sqf with possible long term expansion. This tower very barely can physically accomodate them.

Hopefully they’ll ink at T2 and you’re up to something

1 Like

Ahaha

Do you have any rumors about other projects?

175 Park Ave.?

ikr, 175 was the tower many of us really wanted. Even with anchor tenants 343 Madison, 2 WTC, 70 HY, and 350 Park Ave will dump around 3M sf of spare new office space into the market and I could see this pushing 175 to next cycle. I’m still happy.

1 Like

the uglier side

15 Likes

sigh, I was hoping for some sort of decorative finish on that side. Hopefully the buildings on that side are redeveloped so it can be covered up

5 Likes

Even a building like this leaves a blank wall :pensive_face:

6 Likes