For residential projects, a separate permit is needed for plumbing work only when there is no building permit required
For newly constructed townhouse projects that have 3 or more units, separate plumbing permits are required.
- A plumbing permit is needed to repair, replace, relocate or add to the piping system
- Install new plumbing fixtures such as toilets, sinks, showers, tubs and dishwashers
- Replace water heaters or existing fixtures
- Install rain drains, cesspools, septic systems, drywells, sewer lines, water lines, backflow prevention assemblies for lawn sprinkler systems or cap a sewer
- Replace the metallic water service (copper or galvanized steel) with a non-metallic water service (plastic or CPVC) can alter the integrity of the grounding electrode system. If the grounding system fails, fires or appliance damage may occur. If you are replacing your metallic water service with nonmetallic, a new grounding electrode may need to be installed, which requires an electrical permit. For questions, call Residential Plumbing Inspections (503) 823-7388.
- To decommission an on-site sewage disposal system such as a cesspool or septic tank, a decommissioning permit is required
- You do not need a plumbing permit for repairing, replacing or maintaining existing and accessible parts, appliances or appurtenances (plumbing related equipment that does not require water, such as a toilet seat)
TTY : 503-823-6868
1900 SW 4th Ave, Portland, OR 97201