When you purchase a flip you may have space on your lot to build an ADU to make the property even more appealing to potential buyers. What exactly is an ADU, you may wonder? An ADU is a dwelling unit that's separate from the main home and is located on the same lot (this includes garage apartments). It can provide independent living for up to two adults. An ADU can also be located within the main home, as long as it is a separate unit. There are certain conditions that your ADU must meet in order to be approved by