Columbia County

Follow the fast track to Columbia County and you’ll find out eastern Washington’s economic engine is humming along. Dayton, the county seat, is all about connections: railroads, highways, rivers, telecommunications and people. The Snake River, our northern border, connects Columbia County with the world via barge access to ports along the Columbia River and in Portland; Highway 12 connects trucking companies with major transportation routes such as Interstates 82 and 84; Columbia Walla Walla Railroad connects Dayton with the hump yards of two major railroads; high-speed internet connects our citizens with worldwide commuting possibilities; and the Blue Mountains, our southern border, connects people in our region with fantastic outdoor recreation opportunities right in our backyard.

Office Hours

M-F: 8am - 5pm

Address

2001 Sixth Ave., Suite 2600, Seattle, WA  98121

Email

Choosewashington@commerce.wa.gov

Phone

(206) 256-6100