ADU Construction Costs $150K to $400K in 2026
Building an ADU or granny flat in 2026 will cost between 150000 and 400000 dollars, influenced by size, materials, and labor. Understanding factors like permits, utilities, and design choices helps control expenses. With proper planning, homeowners can boost property value, create flexible living space, and achieve strong long term returns.
Rod KerbyJune 20, 2026