MobileHome.net has 2 Mobile Homes for Sale in Trinity County, TX, including manufactured homes, modular homes and foreclosures. The current average listing price is around $86,005. Mobile home prices in Trinity County, TX have decreased approximately 33% compared to the 12-month average price of $128,634. Listing prices currently range from about $79,900 to $92,109 depending on the size, age, and location of the home.