Our hands on project experience spans conceptual feasibility studies, engineering design, project specifications, bid and award, and construction oversight.
Who we are
DOF is a specialized firm whose mission is to provide hands-on senior level environmental consulting services to industrial, commercial, and municipal clients.
By balancing technical, regulatory, and political demands from inception through completion, we help clients resolve environmental issues with smart, cost-effective solutions.
The principals of the firm are recognized industry experts bringing in-depth understanding of environmental, engineering, geological, hydrogeological, and construction issues to every project.
DOF’s Kirkland office is moving to Seattle, effective as of September 1st, 2017. Click here for our new address.
WODA Environmental Excellence Award: Boeing’s Plant 2 Sediment Remediation and Urban Waterway Restoration at the Duwamish Waterway in Seattle, WA received first prize for the Environmental Excellence Award for Environmental Dredging during the 2016 World Dredging Conference Gala. Click here to learn more about this project.