Jim Wiedemann, owner of Wiedemann Construction, has 25 years of experience in home construction and remodeling. Jim is a native Oregonian, born and raised in Sherwood Oregon. Our company is located in Sherwood, but we work throughout the Portland metro area. Jim started his career as a framer in new home construction and in 1994 began his own business. Jim's expertise ranges from new home construction to renovation and complete home remodeling and can help with smaller projects such as.