The further people flee from the major metro areas, the cheaper the housing. But there’s only so far they can run, because there’s an imaginary wall that stops development from sprawling all over the landscape, a wall that protects the less developed green places that make the region beautiful.
It’s called the urban growth boundary. Beyond it, developers face more restrictions.
Just inside the boundary, Marysville, Washington is growing fast as existing rents trend higher and higher. For those who can't afford it, there's nowhere left to go.