Here's a little sneak peak into some work I've been finishing up. This graph shows the number of permits issued for single family homes and multi-unit projects (duplexes on up to high rise condos). The measure is the number of units as a percentage of existing homes. In other words, what is the gross percentage growth in the housing stock, due to single unit and multi unit building. The black lines are the averages among all large metros. The red lines are the averages among the "...