HiLine Homes will build a home that ensures you pride and satisfaction. Whether you own rural acreage, a neighborhood lot or need to replace a mobile home, HiLine guarantees that each phase of new home construction is built to the highest of standards and with the finest of building materials. HiLine Homes builds custom homes on your property from the ground up. Its an efficient construction process that has been refined over the years to create thousands of new homes for people living in.. Washington and Oregon. A family owned-business with over 20 years of service to the housing industry, HiLine Homes understands the unique needs of each and every home buyer.