About Mainstreet

Mainstreet Organization of REALTORS® is the largest local real estate association in the State of Illinois - and the 7th largest in the nation - representing more than 20,000 real estate professionals.

Mainstreet REALTORS® Members provide service to their clients in more than 200 Chicagoland communities distributed throughout DuPage, Lake, West and South Cook Counties. Since our founding as the DuPage Association of REALTORS® in 1921 - our continuing mission is to empower real estate professionals to thrive and find joy in their careers. We champion our members' goals with integrity, intelligence and inspiration.

Board of Directors

Mainstreet REALTORS® Staff

Office Locations

Mainstreet REALTORS® Bylaws