ADVOCATE. EDUCATE. CELEBRATE! artworkWe see a future in our past.


The Lake Oswego Preservation Society is a fiscally stable, federally designated 501(c)(3) non-profit corporation. Our mission is: To support Lake Oswego’s historic fabric through advocacy and education. We strive for excellence and accuracy in all that we do, while constantly focusing on how we can contribute to our community. No other organization does what we do for Lake Oswego.

Lake Oswego Winter Poster by Paul A. Lanquist

“Old ideas can sometimes use new buildings. New ideas must use old buildings.”  — Jane Jacobs

A message from our founder:

My vision was to create an organization to advocate for the triple bottom line benefits—social, economic, and environmental—of preserving our unique built heritage as well as having a strong, researched-based focus on education. In the relatively brief time since founding the non-profit Lake Oswego Preservation Society in 2011, hard work, meticulous research, creative thinking, and land use advocacy along with dedicated volunteers, generous members, granting organizations, and other supporters and friends have contributed to achieving this goal. May our current community, and future Lake Oswego citizens, enjoy the fruits of all of our labors on behalf of the place that we love.

— Marylou Colver

"Welcome to Lake Oswego" postcard

An exclusive postcard design commissioned by the Society.

We have received recognition, both locally and statewide, for our historic preservation advocacy on behalf of Lake Oswego landmarks. In word, and deed, we honor our motto: “Advocate. Educate. Celebrate!”

The Lake Oswego Preservation Society is an all-volunteer organization. Since there are no paid staff and we don’t own a building to maintain, 100 percent of the donations we receive are dedicated to our mission.

Do you see a future in our past? If so, please support the work of the Society.


Note: All photographs on this website are courtesy of the Lake Oswego Public Library unless otherwise noted.

Content © Lake Oswego Preservation Society 2011–2015. All rights reserved. Research by Erin O’Rourke-Meadors and Marylou Colver. Website by LisZt Design; logo was inspired by a 1926 Ladd Estate Company Oswego real estate brochure.