Welcome to YimbyLA! – Yes In My Back Yard Los Angeles! YimbyLA! can show you how to properly permit and legalize your unpermitted and illegal guest house, garage conversion, grannyflat, backyard house, pool house or other permitted or unpermitted accessory structure into a legal Accessory Dwelling Unit, known as an ADU, complete with full kitchen and bath facilities, to be used as a legal rental unit or as a great space to entertain or house family and friends! Think of the value you will add to your home! Want to build an ADU from scratch? YimbyLA! can help you do that too!