Your County Directory of Departments Support for Residents Tools for Business Tips for Visitors Get Involved How Do I? LATEST NEWS view all UPCOMING EVENTS view all Commission Meetings Meet Your Commissioners The Columbia County Board of Commissioners consists of three officials who are elected in non-partisan races every four years. Operating out of the county seat of St. Helens, the Board is responsible for some of the most important issues the community needs to thrive and be prosperous. Commission meetings take place every Wednesday at 10 a.m. in the Courthouse Annex unless otherwise noted in the agenda. Financial Transparency Quick Facts County Facilities Connect Resources Helpful Links Address Columbia County 230 Strand Street St. Helens, OR 97051 (503)397-7210 Contact Us