https://orangecountyconstruction.com/adu-oc/ As a trusted and local ADU Contractor in Orange County, we cater to building and remodeling homes for our clients. As an ADU Company, we start with your free estimate and offer you a guaranteed price in writing for your ADU or Garage Conversion. Once hired we start the ADU plans and follow with getting a permit from the City Building department for your new ADU.