Hansen Excavation and Rockery are licensed, bonded and insured excavation and rock wall professionals. We excel at land clearing, installation of storm, septic, power and water lines, rock and stone walls, drainage, foundations prep, foundations and footings, hardscaping, driveway prep, site restoration, retaining walls, and horse arenas. If you live in Snohomish County, King County, Pierce County, Chelan County or Skagit County we can help you. Contact us to get a quote on your project.