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.

  • We offer a number of membership levels, each with corresponding benefits designed to enrich your involvement with Landmarks Illinois.
  • Join or renew your membership.
  • Have a question? Phone (312) 922-1742 or email us.
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(photo credit far right) Oscar H. Izquierdo Photography

Select a Membership Level

1 Louis Sullivan Society $1000.00 Details
2 Patron $500.00 Details
3 Sustainer $250.00 Details
4 Associate $100.00 Details
5 Supporter $75.00 Details
6 Household $50.00 Details
7 Advocate $35.00 Details