Another 9,200 homes could be joining the metro region in the coming years thanks to a vote by the Metro Council yesterday.
The unanimous vote approved four metro-area cities' plans to expand the urban growth boundary by nearly 2,200 acres.
The four cities that submitted concepts for growth were King City, Beaverton, Hillsboro and Wilsonville. Hillsboro's plan will add 150 acres, 75 of which are buildable, and up to 850 homes. Beaverton's is much larger, with 600 buildable acres and more than…