Multigenerational homes for sale in the Denver Metro are usually about layout, not labels—main-level bedrooms, finished basements with a second living area, or a separate entrance setup that can work for parents, adult kids, or long-term guests in places like Littleton, Centennial, Highlands Ranch, Parker, and Lakewood. Most homebuyers narrow quickly by privacy, stairs, and the real-world details like egress windows, laundry placement, parking, and whether an ADU-style plan is actually allowed on that lot.