Welcome to the Cowlitz County online permit center! The Operations Division is responsible for the daily operations of the Heart of the Department - the Permit Center! Below you will find some helpful information on getting your project started.
Please note that only permits applied for before November 17, 2014 will be able to use the previous permit system portal found here.
All building projects that include plumbing shall be connected to approved water and sewer. As of May 1, 2021, evidence of approved water availability and sewer from the Environmental Health Unit (EHU) of the Cowlitz County Health Department shall be provided to Building & Planning prior to permit issuance. Evidence shall be defined as a letter of approval issued by EHU.
Originally-produced PDF documentation shall be submitted electronically. Any replications of the originals, including scanned copies or size-adjusted versions, shall not be accepted unless pre-approved.