Layton & Sell, Inc. P.S. provides coastal and civil engineering services throughout the State of Washington, and is also licensed for work in Oregon & Idaho. Founded in 1980 and located in Kirkland, Washington, Layton & Sell works with a variety of clients, including municipalities, counties, public ports, state agencies, engineering and architectural firms, private develop­ers, and interna­tional agencies. Layton & Sell's projects range from the design of small on-site drainage control systems and shore protection for commercial, residential, & municipal devel­op­ments to the design and construction review of multi-million dollar site development and waterfront improvement projects.