The same way you scout any location in New York. Everybody wants to be in Manhattan. Most of the episodic shows coming to town are set in Manhattan. Ideally, we'd want a place on the West side. Real estate has boomed in New York.
Prices are fairly expensive.
If you can't find it in Manhattan, you work your way out to finding a warehouse in the Boroughs. He even has a lead on a space in Yonkers. So far, DeClerque has only done a preliminary search, and he remains optimistic. They are huge spaces. You could build as large a set as you could imagine.