Homes for Sale Under 400K in Katy TX

Based on information from Unlock MLS (alternatively, from ACTRIS) for the period through 2026-03-09 15:28:32 PDT. Neither the Board nor ACTRIS guarantees or is in any way responsible for its accuracy. All data is provided “AS IS” and with all faults. Data maintained by the Board or ACTRIS may not reflect all real estate activity in the market. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Some IDX listings have been excluded from this website. [Click here for more information](/mls-disclaimers/#27)

Copyright 2026, Houston REALTORS® Information Service, Inc. The information provided is exclusively for consumers’ personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.