About us Seattle Rockeries Seattle Rockeries is a professional hardscaping company, specializing in the art and science of installing rockeries, retaining walls, and artificial grass that is aesthetically beautiful and functional at the same time. We can increase your yard space, level your yard, create waterfalls, fountains, and so much more! We can do anything to design and create your dream outdoor paradise, enhancing your outdoor experience. With a combined experience in Seattle spanning 40 years, our team provides services for both residential and commercial properties.