March 2026 data points to a continued upward shift in housing inventory across key U.S. metro areas, with more homes available compared to the same time last year. The increase reflects evolving market dynamics, as supply levels adjust across regions during the early spring period.Pittsburgh, PA led the increase, with inventory rising by 29.2% year-over-year to approximately 5,734 homes available for sale.Seattle, WA followed with a 21.5% gain, bringing listings to around 8,785 units, while Detroit, MI saw inventory climb 16.3%, reaching nearly 11,699 homes. Minneapolis, MN also recorded notable growth, with a 15.0% increase and about 12,140 listings on the market. Charlotte, NC rounded out the group, posting a 13.8% rise, with inventory levels at approximately 8,971 homes.