Backyard ADU Costs Hit $180K–$350K in 2026
In 2026, constructing a backyard accessory dwelling unit (ADU) will cost between $180,000 and $350,000, influenced by size, design choices, and site specifics. The process typically spans six to ten months, involving permits, licensed contractors, and inspections. This guide details essential steps, cost components, and practical advice to streamline construction and minimize unexpected expenses.
Wilson BennettFebruary 21, 2026
