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The City of Portland, Oregon

Development Services

From Concept to Construction

Phone: 503-823-7300


1900 SW 4th Ave, Portland, OR 97201

More Contact Info

Getting Started

  • For commercial projects, a separate permit is need for plumbing projects.
  • If you are operating your business in a commercial structure or at a commercial use site, only a licensed contractor may purchase permits and perform plumbing - even for the smallest project.

Hiring a contractor

All contractors working in the state of Oregon must be licensed by Oregon’s Construction Contractors Board (CCB). The CCB requires licensed contractors to provide their license number on all of their company materials. The CCB maintains records on licensed contractors and about any claims filed against them. Contact the CCB at (503) 378-4621 or get help with a contractor query at

All plumbing contractors must be licensed by the Oregon State Plumbing Board (PB). Call the PB at (503) 373-1268. 

Project and Fees

You will be asked to describe the scope of work proposed and to provide a detailed list of all plumbing work you will be doing. If you have questions, please call: 

Commercial Plumbing at (503) 823-7302 

The fees for your plumbing permit are based on the scope of work you are doing. The individual fees are listed on the Plumbing permit application.