MobileHome.net has 1 Mobile Homes for Sale in Trinity County, TX, including manufactured homes, modular homes and foreclosures. The current average listing price is around $39,900. Mobile home prices in Trinity County, TX have decreased approximately 52% compared to the 12-month average price of $82,762. Listing prices currently range from about $39,900 to $39,900 depending on the size, age, and location of the home.