Florida has 42,601 empty lots listed for sale, the most in the nation. Zillow estimates that building one home on each listed U.S. lot could reduce the housing shortage by 6.3%.

The 30-year fixed rate reaches 6.66% as bond yields respond to Iran conflict. That's still slightly below the average of 6.72% a year ago.

Florida recorded 51,444 new-home permits through the second quarter, down 7% from a year earlier, though Northwest Florida and several counties posted growth.

New research finds AI is strengthening demand in some commercial markets while reducing space needs in others, depending on local jobs and industries.