Landmark and National Register Properties
The City of Lake Oswego’s Historic Resources Advisory Board maintains the Landmark Designation List. These properties have been deemed to be significant to the community’s history and are protected from major exterior alterations or demolition through a public hearing process.
The Landmark Designation is the strongest level of protection available to properties in Lake Oswego. There is no total protection for any privately owned property and designation does not mean that you can not complete updates to the interior of the home.
If you are interested in designating a property or learning more about Lake Oswego’s Landmark Designations please contact us and we will be happy to help.
National Register Properties

The National Register of Historic Places is the official list of the Nation’s historic places worthy of preservation. Authorized by the National Historic Preservation Act of 1966, the National Park Service’s National Register of Historic Places is part of a national program to coordinate and support public and private efforts to identify, evaluate, and protect America’s historic and archeological resources.
There are currently 17 properties in the Lake Oswego area that are listed on the National Register of Historic Places. The 18th property, the Charles W. Ertz House, was demolished in 2000. The Bates Houses #2 and #3 are not pictured in the photo gallery.
To see the National Register nomination forms for these properties, please click on this link: National Park website.