William S. Creech, Residential Builder Custom woodworking Licensed and Insured William S. Creech, a licensed residential builder, resides in Allegan, MI and has been building since 1986. He specializes in designing and constructing custom built homes. In addition, he has comprehensive skill in creating specialty interior trim, cabinets, furniture and more. Mr. Creech works extensively with his customers to ensure that the finished product is to their utmost satisfaction. Below you will find sample photos of completed work.