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Historic and Conservation Districts

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Historic and conservation districts are geographic areas that have a concentration of thematically related historic resources. In general, historic and conservation districts are collections of historic resources that in and of themselves may not be eligible for individual designation but together convey a significant story.

Properties in historic and conservation districts are classified as either "contributing" or "non-contributing.” Contributing resources were built during the district’s period of historic significance and retain physical integrity from the historic period. Non-contributing resources were built after the district’s period of historic significance or have been too altered to convey physical integrity. Although different historic resource protections apply to contributing and non-contributing resources, the zoning code applies rules across historic and conservation districts to ensure the preservation of their unique qualities.

Historic Districts

Historic districts can be designated by the City of Portland or the National Park Service. All locally-designated historic districts have also been listed on the National Register of Historic Places. 

Historic Districts
Alphabet Historic District Alphabet East Portland/Grand Avenue Historic District East Portland, Grand Avenue
Halprin Historic District Halprin Open Space Sequence Irvington Irvington
Kenton Commercial Historic District Kenton Commercial King's Hill Historic District King’s Hill
Ladd's Addition Historic District Ladd’s Addition Mount Tabor Parks Mount Tabor Parks
Mount Tabor Reservoirs Historic District Mount Tabor Reservoirs New Chinatown/Japantown Historic District New Chinatown, Japantown
Rocky Butte Scenic Drive Historic District Rocky Butte Scenic Drive Skidmore Fountain/Old Town Historic District Skidmore Fountain/Old Town
South Portland Historic District South Portland 13th Avenue Historic District 13th Avenue
Washington Park Reservoirs Historic District Washington Park Reservoirs map Willamette National Cemetery
Yamhill Historic District Yamhill    

Conservation Districts

Conservation districts are geographic areas that are significant at the neighborhood level and regulated with more flexible historic resource protections than historic districts. All of Portland’s existing conservation districts were created as a result of the 1992 Albina Community Plan

Conservation Districts
Eliot Conservation District Eliot Kenton Conservation District Kenton
Mississippi Avenue Conservation District

Mississippi Avenue

Piedmont Conservation District Piedmont
Russell Street Conservation District Russell Street Woodlawn Conservation District Woodlawn

More information

Details on the process for listing a historic or conservation district can be found on the Historic Resource Designations page.