Established in 1955, NW Siding and Prefinishing is a locally owned and operated company that offers a range of siding installation services. The company is a member of the Master Builders Association of King and Snohomish Counties. It installs shingles and cedar siding and trims, as well as maintains a team of carpenters, installers and supervisors. The company also provides maintenance and replacement services. NW Siding and Prefinishing offers inspection services through a third-party inspector.