Providing Successful Project Management, Planning, Engineering, Construction, Environmental Management, Cleanup and Restoration, Hydropower, Navigation and Recreation for the Northwest and the Nation.

Information about city government and services and links to local, state, and federal pages of interest to Walla Walla, WA residents.

Commissioners Charles Maiden, Chairman Pam Ray David Carey Walla Walla County, Washington Welcome to the Official Walla Walla County Website Courthouse 315 W. Main St. Walla Walla, WA 99362 Office Hours: 9:00 am - 5:00 pm Mon-Fri Burn Line (509) 394-2445 World Famous Walla Walla Sweet Onions Assessor Coroner Personnel Auditor Courts Planning Building Maintenance Court Services Prosecuting ...