Featured
Cost Guides
Multigenerational Home Additions Cost $265K in 2026
In 2026, constructing a multigenerational home addition will average $265,000, with costs ranging from $190,000 to $410,000 and timelines of four to eight months. This comprehensive guide details every expense category, from foundational work to final finishes, while highlighting key pricing influences, practical cost-saving measures, and essential steps for hiring professionals to maximize value, comfort, and long-term resale potential.
By Nicole Stambaugh
8 min read
