According to a new report, the most active metropolitan areas include Chicago, where an inventory logjam appears to be loosening. Also, Colorado Springs, Washington, D.C., and Reno, Nevada, near Tesla’s massive battery factory, which is attracting workers and driving housing demand. The least active metros are San Francisco, where the median home value has topped $1 million, and Rochester, N.Y., where a typical home is worth $177,000.