Cost Guides
Multigenerational Renovations Cost $180K in 2026
In 2026, multigenerational renovations average $180,000, with ranges from $110,000 to $350,000 based on project scale, material choices, and site challenges. Professional expertise drives most projects, yet targeted DIY elements can reduce costs. Effective planning, optimized designs, and thorough contractor evaluation enable homeowners to enhance family living, ensure regulatory adherence, and boost future property value.
By Nicole Stambaugh
5 min read
