ADU Builds Now Cost $150K to $400K in 2025
In 2025, constructing an ADU or granny flat ranges from $150,000 to $400,000, depending on factors like size, location, and features. This comprehensive guide details budgeting essentials, permitting processes, financing choices, and strategies to lower costs while boosting property value. Discover key steps to avoid common errors and ensure a smooth build for added living space.



















