Prefab ADU Costs Range $75K to $250K in 2026
Prefab backyard studios cost $75,000 to $250,000, with pricing shaped by size, finishes, and site conditions. This guide details installation timelines, DIY versus professional options, and essential safety steps. Learn how proper planning, permits, and maintenance extend your prefab ADU lifespan and ensure a smooth, code compliant build from start to finish.
By Cayla McCully
7 min read
