Rise Realty Texas agents work across North Texas, from Dallas, Collin and Denton counties to Grayson, Fannin and Cooke in Texoma. Use this guide to explore the cities and towns we serve, see homes for sale in each one, and get a feel for the local market. When you’re ready to look closer, a local agent can walk you through pricing, new construction, and MUD or PID taxes in any area you’re considering.