GC Painting, Inc. previously known as Guillermo Castillo Painting has been serving all of orange county since 1998, with over 20 years of experience we know how to get the job done right. GC Painting, Inc. specializes in custom homes and commercial buildings. We contributed with the Sunset Idea House of 2005 in Ladera Ranch, and in Extreme Makeover Home Edition in early 2005. We use the highest quality materials.