To manage the development of new housing, the majority of small towns rely on zoning and building codes. Very few have considered regulating the continued maintenance or occupancy of existing housing.Unlike cities like Kalamazoo that regularly use programs like Habitat for Humanity which will refinish foreclosed or condemned houses. Housing related services need to be more available to smaller communities. This would have a positive impact on these communities. Here's a small article I found that touches on this issue.