HDJ Design Group is a Civil Engineering, Planning, Landscape Architecture, Land Surveying, Project Management and Construction Services consulting firm. HDJ has been in business since 1980, and is licensed in Washington, Oregon, Hawaii and Alaska, and has performed work on projects throughout the Pacific Northwest, as well, Montana, Minnesota, Idaho and Hawaii. HDJ has an outstanding reputation for delivering the highest quality products. HDJ’s reputation is based on it’s depth and range of experience, problem-solving and communication skills, responsiveness and integrity. With over 3,700 projects completed and/or in progress, HDJ has the knowledge, skill and resources to meet the demands of tomorrow’s public developments. Specialties Civil Engineering, Land Surveying, Landscape Architecture, Transportation Engineering, Land Use Planning, Geotechnical Engineering (Tri-Cities), Traffic Engineering, Single & Multi-Family Design, Roundabout Design