The California government wanted to provide more housing to people by giving homeowners the option to build on their own parcel. ADUs provide cashflow for California homeowners and investors that eclipse the income a person would get one just SFR rental. History of California ADUsHere is some information to get everyone caught up to where we are today with the ADU evolution. ADUs and Junior ADUs (JADUs) can create the income you need to get that cashflow coming in that no one has been able to do with a random SFR investments. The laws have loosened and forced cities to amend their once corrected ADU laws to conform to the State of California standards.