Hammond Collier Wade Livingstone, an employee-owned consulting engineering firm established in 1943, is one of the Pacific Northwest’s longest operating civil engineering and land surveying firms. We maintain full service offices in Seattle, Wenatchee, and Omak.

The firm provides professional civil and municipal engineering, land surveying services, and materials testing. We specialize in public works projects such as water systems, sanitary sewers, storm sewers, and street improvements for municipalities, special purpose districts, and private developers. Other services include land surveys, material testing, construction management and assistance with private, commercial, and industrial development. We are equipped with full-service mobile materials testing laboratories staffed with technicians providing construction monitoring and special inspection services.

Our size and operational structure allows direct client interaction with the principals, while providing the resources to handle large-scale projects.

Hammond Collier Wade Livingstone's Core Services:

"We approach each project with one main objective: Finding the best solution while considering the social objectives, economics, aesthetic qualities, environmental considerations, and construction issues involved."