Making changes to a historic resource

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.