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Install or alter any permanent wiring or electrical device.
Run additional wiring, put in an electrical outlet or light fixture, install a receptacle for a garage-door opener, or convert from fuse box to circuit breakers.
Install or alter permanent low-voltage systems such as security alarms or stereo or computer systems.
You must be both the owner and the occupant of a dwelling to obtain a permit to do electrical work yourself. You may not perform any electrical installations or modifications on a house or residential unit that is intended for sale, lease, rent, or exchange.
If you are not sure if you need a permit, please call the building department at (503) 874-2207.
Replace water heaters, alter piping inside a wall or ceiling or beneath a floor, and for plumbing in all new installations.
Repair, alteration, or replacement of freeze-damaged or leaking concealed piping, if new piping exceeds 3 feet.
Remodeling or adding on to your one or two family dwelling when existing plumbing is to be relocated. This includes installation of building sewers, water service, and exterior rain drains.
When a property owner does “ordinary minor repairs” to plumbing systems on his or her own property, which means repair, replacement, or maintenance of existing accessible fixtures, parts, and appliances and their related water and drain attachments. Do not alter an existing plumbing system without a permit.
When a property owner or licensed plumber performs emergency repairs to, or replacement of, freeze-damaged or leaking concealed piping, provided new piping doesn’t exceed 3 feet in length.
Install or change any part of a heating or cooling system that must be vented into any kind of chimney, including unvented decorative appliances
Install a woodstove, fireplace insert, pellet stove, or related venting
Install, alter, or repair gas piping between the meter and an appliance (indoors or outdoors)
Install bath fans, dryer exhausts, kitchen range exhausts, and appliances that are required to be vented