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Protecting Community Heritage for Over 40 Years


Become a member of Landmarks Illinois, the only statewide nonprofit organization dedicated to protecting the great architectural heritage of the state of Illinois. For over forty years, Landmarks Illinois has worked to help communities and neighborhoods throughout Illinois preserve and protect their architecture and historic places. Without a strong statewide advocate for historic preservation, our unique and irreplaceable heritage would be squandered. Our work enhances communities, empowers citizens, and catalyses local economic development statewide. Your support makes this important work possible. Please join us today.


As a Landmarks Member You Will Enjoy These Benefits


Subscription to quarterly "The Arch" newsletter

50% discount on admission to world-renown Farnsworth House designed by architect Mies van der Rohe

Discounts to educational or networking opportunities

Invitation to Preservation Awards Reception and Ceremony and Skyline Council events

Advance notice of our public Preservation Snapshots Lecture Series

Email notifications: Preservation in the News; Preservation events "Blast"; Action Alerts on important topics

Membership benefits for one (1) individual

Knowledge that you are doing your part to preserve Illinois invaluable heritage

Explore the Benefits of our Different Levels of Membership




Individuals Membership 

Professional Membership 

Louis Sullivan Society 

Join or Renew Online 


Additional Ways to Give


Annual Fund 

Gifts of Stock 

Planned Gifts 


Please call us at (312) 922-1742 with any questions.








Landmarks Illinois
30 N. Michigan Avenue
Suite 2020
Chicago, IL 60602-3402
tel. 312-922-1742 
fax 312-922-8112



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Landmarks Illinois. All rights reserved. In addition to the copyright to this collective work, copyright to the materials which appear on this site may be held by the individual authors or others. Landmarks Illinois is a tax exempt 501(c)(3) organization founded in 1971 and is the state's leading voice for historic preservation.