ADU Costs Range $120K-$450K for Family Housing
Building a multigenerational accessory dwelling unit (ADU) in 2026 involves budgeting between $120,000 and $450,000, navigating permits, and focusing on design elements that promote accessibility and family harmony. This guide covers cost factors, construction timelines, professional versus DIY options, and strategies for long-term maintenance to maximize property value and comfort.
Cayla McCullyMarch 19, 2026