Platinum Home Design is Baltimore County's go-to family-owned exterior contractor, proudly serving Owings Mills, MD, and the surrounding DC Metro Area. We specialize in roof replacement, roof repair, roof inspection, siding installation and repair, gutter installation and repair, and window and door installation. Certified by Owens Corning, CertainTeed, TAMKO, and ProVia. Beat any competitor price, guaranteed. Free consultations. 40+ years of combined experience.