A push to attract big-name companies for large offices in Brooklyn has so far come up short.
New York is increasingly seen as gaining ground in its long-time rivalry with London as a finance center.
At issue is whether Airbnb is reducing affordable housing.
Foundation work has begun for the Midtown tower, set to be New York’s second-tallest at 1,401 feet.
The firm is currently in two buildings close to one another, Park Avenue Tower and 40 East 52nd St.
The building is likely to attract tenants paying about $150 a square foot.
They denied allegations that they weren't interested in landmark protection for the hotel's interiors.