Hammond Collier Wade Livingstone was established in 1943 and began operations in Seattle, Washington. Hammond Collier specializes in improving public works infrastructure.

Hammond Collier is a civil engineering firm that consists of engineers, surveyors, drafters, geologists, and materials testing technicians. We serve our clients through offices in Seattle, Wenatchee, Lakewood and Omak. Hammond Collier has the staff and resources necessary to successfully complete projects throughout the region.

Hammond Collier has a proven record in developing innovative solutions to solve complex problems and has placed a continued emphasis on expanding technical resources.

We assist cities, utility districts, counties, commercial developers, and industrial companies with water systems, wastewater, stormwater, transportation, land surveying, materials testing, geological engineering, and construction management.