Homes for Sale Under $800K in Olathe KS

Based on information submitted to the MLS GRID as of 2026-03-28 22:27:54 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Prices displayed on all Sold listings are the Last Known Listing Price and may not be the actual selling price. [Click here for more information](/mls-disclaimers/#45) Listing Information presented by local MLS brokerage: Zillow, Inc., local REALTOR®- Terry York - (913) 213-6604