Adaptive reuse is a major U.S. development trend in 2026, driven by office vacancies, housing shortages, and demand for walkable urban neighborhoods. Over 90,000 apartment conversions are planned, mainly in metro areas. Rising land costs and available government land boost redevelopment of underused buildings. Municipalities pursue mixed-use projects combining housing, infrastructure, and public amenities. Historic adaptive reuse requires careful planning, financing, and collaboration but preserves community character while supporting growth.