The median home value in Marietta, TX is $68,537. This is lower than the county median home value of $146,138. The national median home value is $277,796. The average price of homes sold in Marietta, TX is $68,537. Approximately 70% of Marietta homes are owned, compared to 13% rented, while 15% are vacant. Marietta real estate listings include condos, townhomes, and single family homes for sale. Commercial properties are also available. If you like to see a property, contact Marietta real estate agent to arrange a tour today! Learn more about Marietta Real Estate.