The booming housing market in the Tucson area has now reached the farthest west end of possible development.

Developers are planning thousands of new homes next to Ryan Airfield, near Ajo Way and Valencia Road — the farthest west that can be built out in Pima County before bumping up to state trust land.

On the south side of the intersection is a 1,200-acre site owned by two developers with plans for residential, multifamily, retail and office space.

Read More