To do business with Cowlitz County you will need to fill out the supplier form below. Download and fill out the form then return it upon completion. You may email the completed supplier forms or fax them to 360-423-9987. Please include on the return email or fax, the County Department or specific entity that you are doing business with. This will aid staff in setting your company up in our PeopleSoft system.
If you wish to mail or drop them off please use the following address: