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Memorial Day closure

Most City of Portland offices will be closed Monday, May 29, in observance of Memorial Day.

Commercial Plumbing Code Guides

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Find all commercial plumbing code guides administered by Development Services. Code guides provide answers about the application of specific codes. View a list of commercial plumbing code guides carried out by Development Services. Get code guides that explain how the codes and rules are applied.
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Code guides provide answers about the application of specific codes.

Uniform Plumbing Code and Oregon Plumbing Specialty Code (OPSC)

More Code Guides 

You can also read more about these codes, rules and guides: state building codes and related administrative rules and interpretations, City codes, City administrative rules, Business Practice Policies, program guides, Building Official's determinations, PBOT Codes and Guides, MOUs/IGAs and request a change to City codes or recommend a regulatory improvement change.

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Development Services
phone number503-823-7300Our front desk team will be available to answer Monday through Friday from 8 a.m. to 5 p.m. Please leave a message if you call outside of those hours.
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