Ellisport Engineering, Inc. is a Vashon Island, Washington-based Civil/Structural Engineering Company, serving Western Washington and areas beyond. We provide professional, personal, and punctual engineering services for residential and commercial clients. Our services include engineering for yurts, structural calculations for building designs, additions, and remodels, forensic/investigative engineering, Floodplain Base Flood Elevation designations, and landslide mitigation work. With over 35 years of experience, our team is dedicated to providing practical solutions to engineering issues.