Suburbs aren't generally described as the "sticks." That would be exurbs or lower.

A typical suburban subdivision will have city water and sewage, though depending on the details, you might have a couple community wells and individual septic fields (or a link to city sewage).

Suburbs are often on city utilities. And they pay for the infrastructure. You won't generally find septic systems on properties under about an acre. Not that it never happens, obviously, but a septic field has geographic requirements that means you won't often see it in a suburban neighborhood.