more info:
fire in this building today as it’s being converted
315 West 35th Street
609 Fifth Avenue
https://newyorkyimby.com/2026/03/residential-conversion-and-expansion-revealed-for-609-fifth-avenue-in-midtown-east-manhattan.html
A proposal to turn a 14 story (187 ft) office tower into a 29 story (408 ft) residential tower with 66 condominium units
What it looks like currently:
We have a thread for this one at 609 Fifth Avenue:
140 West 57th Street
conversion into 47 condos
145 West 57th Street
conversion into 73 residential units
Nippon Club building to become housing in Midtown Manhattan - New York Business Journal
830 Third Avenue
conversion into 188 apartments
221 West 41st Street
Manhattan-based private equity firm Yellowstone Real Estate Investments has secured $203 million in financing to support the office-to-residential conversion of the Candler Building, a 25-story office building located at 221 W. 41st St. Plans call for the property to be converted into 176 units of market-rate and affordable housing.
254 West 35th Street
conversion into 166 apartments
315 West 35th Street
partial conversion into 28 apartments
121 East 7th Street
75 Maiden Lane
conversion into 300 rental units
75 Maiden Lane Conversion Adds 300 Downtown Apartments
100 Wall Street
conversion into 169 apartments
100 Wall St. office building to add apartments - New York Business Journal
1 Whitehall Street
Anyone have a picture of how the new glazing for 5 Times Square is looking?
311 West 43rd Street
175 Pearl Street in DUMBO Brooklyn is an office to residential conversion that will add 11 stories to the existing structure and would total to 19 stories. It would house nearly 200 homes with a mix of condominium and rental units. It is expected to be completed by the end of 2028.
Photos by Michael Young
Site before:
17 Battery Place
The redevelopment will involve converting approximately 150,000 square feet of office space on five floors to 220 residential units. Completion slated for Q1 2027, according to the developer.
233 Park Avenue South
Such a nice building.
222 Broadway update
303 Washigton Street in Newark, NJ, an office to residential conversion of a 99 year old historic five story building, now a 10 story reaidential building with 92 rental units.
Photo from Newarkisgrowing on Instagram
480 Washington Boulevard
Jersey City, New Jersey
Floors 23 through 31 to be converted into 288 residential units
229-239 West 36th Street
Top floor only - to be converted into 9 apartments
311 West 43rd Street
14 apartments to be created on 14th floor
95 Madison Avenue
To be converted into 65 condos
135 East 57th Street
- 350 rental units
- conversion construction has commenced
photo by Michael Young
1005 First Avenue
- 420 rental units
- conversion construction has commenced
- will also have 6 new floors added on top
photos by Michael Young
845 Third Avenue
- 411 rental units
- conversion construction has apparently commenced (though Michael Young photo doesn’t support this)
photo by Michael Young
150 William Street
first mentioned by New York Post real-estate columnist Steve Cuozzo back in January
Now it is confirmed that the 13th floor (yikes!) only will be converted into 27 apartments for now, with more floors to be converted later.























