Bid by building type, because access decides whether a job is even yours
The most useful split in a New York pool account is not geographic, it is whether a machine can reach the dig.
Group the account around the kinds of work you can staff: suburban and outer borough backyards where equipment drives in, city gardens that need hand excavation or a crane pick, small water products like plunge pools and spas, and building side renovation for co-op and condo amenity pools.
Each group deserves its own budget, its own landing page and its own keywords, because the cost of a click and the value of a job are wildly different across them. Pooling them into one campaign lets the cheapest clicks eat the budget that should be buying the expensive, profitable ones.
Geography then sits inside those groups rather than above them. A campaign for machine accessible backyards can run across Staten Island, Riverdale, parts of Queens, Nassau and Westchester. A campaign for townhouse gardens runs in the neighborhoods where townhouses are, which is a short and knowable list.
If you only ever build one type, run one campaign and say so on the landing page. Half of budget discipline is refusing to advertise work you do not want.