For in stock kitchen cabinets in Orange County, CA, visit Builders Surplus. Our warehouse has over a dozen different styles assembled and ready to go. Verified customer reviews of BEST Unfinished Kitchen Cabinets hosted by CustomerLobby.com. Read trusted reviews of BEST Unfinished Kitchen Cabinets. How to Find Unfinished Kitchen Cabinets. Unfinished cabinetry, also referred to as ready to finish cabinetry, is wood cabinetry that has not been treated with a stain, paint or shellac.