Mark Costello

About Mark Costello

About The Costello Group Top 10% DFW Realtors | 100+ 5-Star Reviews | Full-Service Expertise We’re Mark and Brandy Costello, a husband-and-wife real estate team based in Weatherford, Parker County, originally founded in North Dallas (Collin County). With over 100 five-star reviews and production that ranks us in the top 10% of agents across DFW, we offer a hands-on, high-touch experience that goes far beyond traditional real estate. We specialize in residential real estate, but our expertise also spans farm and ranch properties, light commercial sales and leases, and multi-family investment properties. Mark’s background in residential and commercial construction and renovation allows us to guide clients with insight most agents can’t match. Brandy’s appraisal experience and design sense help clients see the full potential in every property. For investors, our clients benefit from a true one-stop shop: The Costello Group is backed by Costello Property Management, offering full-service property management for single-family and multi-family portfolios — perfect for those looking to grow and protect their investments. When you work with us, you work directly with us — no assistants, no handoffs. We handle every step with care, communication, and real experience. We're also proud parents of three boys. Real estate changed our lives, and we’re passionate about helping it change yours. We are dedicated to providing the most up-to-date market data in the area. Our team is made up of caring, knowledgeable professionals that work tirelessly to help you with the home buying and selling process.

Areas served

Where Mark Costello is ranked on TexasBusinessesNearMe.com.

Reviews