Memorial Day closure

Most City of Portland offices will be closed Monday, May 27, in observance of Memorial Day.

Submittal Requirements Commercial - New Construction, Additions, Alterations

This handout describes information required when applying for a permit for new construction, additions, alterations with exterior work or structural changes in the City of Portland.


General Inquiries

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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