As the Seattle economy continues to expand, the demographics in Renton are strong and improving, with a low 3.61% unemployment rate, average income of $77,305 and high-paying employers.

“Central Perimeter continues to be a magnet for corporate headquarters with job creation and therefore investor interest," says Cushman & Wakefield's Mike Kemether.

Office vacancy rates continue to inch downward in Phoenix, and with companies announcing plans to add workers, office demand is likely to grow.

Sure, amenities are important—but they aren't everything. Young renters want highly designed spaces with personality.