David Evans and Associates is a multidisciplinary engineering and planning firm based in Portland, Oregon. With expertise in transportation, land development, energy, and marine projects, they aim to improve the quality of life while demonstrating stewardship of the built and natural environments. Their team comprises engineers, surveyors, planners, hydrographers, landscape architects, and natural resources scientists who work together to create a different future.

Offering a wide range of services, David Evans and Associates specializes in energy development, land development, transportation, water and environment, surveying and geomatics, and marine services. They provide solutions for alternative project delivery, construction engineering, landscape architecture, environmental planning and compliance, and project management. With a focus on effective communication, accountability, clarity of expectations, initiative, creativity, trust, collaboration, and teamwork, David Evans and Associates is committed to delivering effective and sustainable solutions for their clients