Bay Area homeowners build ADUs for many different reasons. Whether you’re thinking about moving part of your family to the ADU or looking for extra income, ADUs are flexible additions that can afford your family more options on your existing property… while adding value to the property when you eventually sell (or even sooner if you decide to refinance). An August 2020 Bloomberg article mentioned many families are opting for an ADU in the back yard for aging grandparents and skipping the nursing home.