Summary: Multigenerational homes (where grandparents, parents, and kids share one address) are growing fast in the U.S. (17% of 2024 buyers purchased multigenerational homes). In Chicagoland, you can keep a home classified as single-family while designing smart “semi-separate” spaces, or explore Chicago’s evolving ADU (accessory dwelling unit) rules. Expect custom-build costs to vary widely by […]