REALTOR®

Simon Griffieth Jr (often known as “Sy”) is a dedicated real-estate professional serving the North Texas real-estate market with Xtreme Realty Group. With a passion for helping families and individuals achieve their homeownership goals, Simon combines market knowledge, personalized service, and a client-first approach to every transaction.

Family-driven and community-oriented, Simon is a devoted husband and father of two who brings the same care and attention to detail in real estate that he brings to his family life. Before entering real estate, he spent more than a decade serving youth and families in the juvenile justice and foster care systems—a background that shaped his commitment to advocacy, support, and integrity in every interaction.

Simon excels in guiding buyers and sellers through the complexities of the residential market with clarity and confidence. Whether you’re searching for your first home, relocating to the Denton and DFW area, or selling with a strategy in mind, he offers thoughtful guidance, strong negotiation skills, and responsive communication from start to finish.