Founded in 1971, Landmarks Illinois is the state’s leading voice for historic preservation. As a membership-based nonprofit organization, we promote preservation, restoration and adaptive reuse of buildings and sites of many types in order to leverage our past to create a better future. We know that blending old and new makes communities resilient and interesting places to live, work and play. We are People Saving Places for People. Learn more.

OUR MISSION

Our mission is to accelerate preserving and reusing significant places statewide to foster healthy, livable and thriving communities. Read about our mission-driven work.

< ?php //the_field('second_section_video_embed'); ? >

Watch us announce our 2025 Most Endangered Historic Places in Illinois to learn more about our state’s threatened places. Recorded live May 1.

Support our advocacy

Be a voice for the future of our communities by supporting Landmarks Illinois. Our work enhances communities, empowers citizens, promotes local economic development and offers environmentally sound solutions.

Become A Member