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Making changes to a historic resource

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6-story red brick historic building with new windows and doors for ground floor retail.
Certain development proposals affecting historic resources are subject to land use review and approval prior to construction. These mandatory regulations are codified in the Portland Zoning Code and are administered by Portland Permitting & Development (PP&D).

Historic resources are subject to land use regulations provided by Portland Zoning Code Chapter 33.445, Historic Resource Overlay Zone. The regulations apply to certain alteration, addition, new construction, demolition, and relocation proposals affecting historic resources.

Historic, Conservation, and National Register Landmarks; Historic, Conservation, and National Register Districts; and Significant Resources are subject to the provisions of the Historic Resource Overlay Zone.

To learn more about the land use regulations that apply to historic resources:

  1. Review Portland Zoning Code Chapter 33.445.
  2. Visit PP&D's Historic Resource Reviews page.
  3. Schedule a free 15-minute appointment with a PP&D planner.

Contact

Historic Resources Staff

historic.resources@portlandoregon.gov

Related

Historic Resources Program overview
Historic Resource Inventory
African American Historic Sites Initiative
Design guideline documents
Historic, Conservation, and National Register Districts
Historic resource types
Historic preservation incentives

Topics

City planning
Construction and development

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