Permits

Properties use septic systems for sanitary disposal if they do not have physical and/or legal access to public sanitary sewer. Learn about how to obtain septic approval for development on properties that already have a septic system or vacant land that will need a septic system.

Properties use septic systems for sanitary disposal if they do not have physical or legal access to a public sewer. Learn about applying for septic permits for new construction, alteration and repairs in Multnomah County. Get the application forms and information about septic installation permits.