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The City of Portland, Oregon

Portland, Oregon

Welcome to the official web site of the City of Portland, Oregon

General Information: 503-823-4000


1221 SW 4th Avenue, Room 110, Portland, OR 97204

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Historic Resources and Preservation

  • 1923 Washington High School, a National Register Landmark adaptively reused for offices and events. Photo courtesy Venerable Properties.

  • 1892 Overland Warehouse, a contributing resource in the New Chinatown/Japantown Historic District. Rendering courtesy Emerick Architects.

  • WorldMark, a new building in the Skidmore/Old Town Historic District that incorporates salvaged cast iron. Rendering courtesy SERA Architects.

The Bureau of Planning and Sustainability’s historic resources program provides information, guidance, and policy expertise to citizens, property owners, elected leaders, and other community partners interested in designating, protecting, and adaptively reusing Portland’s historic places. Program staff advance preservation-related planning projects, liaise with state and federal agencies, manage historic resource protection programs, and provide technical assistance to all Portlanders.

South Portland Historic District Design Guidelines

New approval criteria for additions, alterations, and new construction are being developed for the South Portland Historic District

Historic Resources Webmap

View an interactive map of designated landmarks, historic and conservation districts, and resources included in the Historic Resource Inventory.

Historic Resource Protections

Learn more about the regulations that the City of Portland applies to significant historic resources.

Sign-up for Email Updates about Historic Resources and Preservation

Receive periodic updates about the City of Portland’s historic resource program.

Historic Resources Code Project

Zoning code project that will develop new tools to guide the future of Portland’s historic places.

Publications, Documents and Related Information

Miscellaneous publications and documents related to historic resources

Portland Historic Landmarks Commission

The seven-member Historic Landmarks Commission provides leadership and expertise on preserving and enhancing Portland's historic resources.

Historic and Conservation Districts

An overview of Portland’s historic and conservation districts, with maps of each district.

Historic Resource Designations

Find out how historic resources are identified and designated.