Heartland MLS Heartland MLS is located in Leawood, KS. and has been providing complete and accurate real estate information to Kansas Realtors since 1993. Heartland MLS serves over 7,000 active members across parts of Kansas and Missouri. The Kansas MLS supplies members with area listings, marketing services, and timely support for any needs they may … Continue reading Add Heartland MLS Search & IDX Listings to Your Site