Real Estate Firms and Brokers

For over 20 years, Mark Dimas Properties has been a cornerstone of Houston's real estate scene, laying deep foundations while continuously evolving to shape its vibrant future. We take immense pride in our consistent delivery of #firstclass service, always going an extra mile for our clients and the communities we cherish. More than just transactions, we build lasting relationships based on trust and expertise.

Clients who choose us benefit from our advanced marketing strategies, a robust vendor network, and resources that simplify their journey. However, it's our award-winning team's talent that truly sets us apart. Recognized by respected industry leaders such as RealTrends, Houston Business Journal, Inman, and HAR, we're known as a top-producing and rapidly growing entity with an unwavering focus on customer excellence. In a league of our own, our team of dedicated professionals consistently raises the bar in real estate service and success.

Broker Office of Mark Santelia is independently owned and operated in the state of Texas and is currently focused on residential subdivision planning and broker representation.  

McCallum Realty is staffed by Broker Claire McCallum and Sales Consultants, Chris McCallum, Lisa Overby, Tom Stallings, Lynne Sheldon and Chris Sandra Gordon-Garza.