Phone: 503-823-7300
Email: bds@portlandoregon.gov
1900 SW 4th Ave, Portland, OR 97201
Septic Permits
Septic permits are issued for work related to environmental soils & septic control such as cesspools, septic tanks and other sewage disposal systems.
New Construction Permit
A residential/commercial new construction permit is required for all new single family construction and new commercial/multi-family construction.
Repair Permit
A residential/commercial repair permit is required to repair an on-site sewage disposal system.
Alteration Permit
A residential/commercial alteration permit is required to replace or increase the size of an on-site sewage disposal system.
Decommission Permit
A residential/commercial decommission permit is needed when the tank, cesspool or seepage pit needs to be pumped to remove all sewage and filled with sand, ¾” minus gravel, or the container needs to be removed and properly disposed of.
Land Use/On-Site Sewage Disposal System Certification
A commercial/residential on-site sewage disposal system certification is a program of Multnomah County managed by the Bureau of Development Services.
Land Feasibility Study
A Land Feasibility Study is conducted to evaluate and determine the suitability of the soils relative to a parcel of land where an on-site sewage system would be used.