Meet the Team
Jack Costigan | Founder
Jack Costigan is a top-producing Realtor® and founder of The Costigan Group at Compass Nashville, specializing in short-term rental, investment, luxury advisory, and residential real estate across Greater Nashville and Middle Tennessee. Known for his data-driven strategy, modern marketing approach, and high-touch client experience, Jack advises homeowners, professionals, and investors on identifying and executing high-performing real estate opportunities.
With particular expertise in short-term rental and investment real estate, Jack helps clients navigate Nashville’s zoning, underwriting, and regulatory landscape to make informed, long-term decisions. His approach blends local market knowledge with disciplined analysis, allowing investors to evaluate opportunities clearly, reduce risk, and maximize value in an increasingly competitive market.
Jack provides a white-glove advisory experience for luxury buyers and sellers who expect precision, preparation, and execution at the highest level. His work in the luxury space is defined by access to best-in-class resources—from pricing strategy and market positioning to design, construction, staging, and transaction management—allowing clients to move through complex, high-value decisions with confidence and clarity.
Since founding The Costigan Group, Jack has built a high-performing team focused on disciplined execution across Nashville’s most competitive real estate segments. Jack advises short-term rental investors, luxury buyers and sellers, and residential clients using a data-driven process backed by Compass technology, deep market expertise, and an unwavering commitment to clarity, strategy, and long-term value.
Why Work with Jack and the Costigan Group?
As the founder of The Costigan Group, Jack leads a team that’s committed to delivering exceptional service with a personal touch. He’s known for his approachable nature, strong communication, and genuine care for his clients.
Whether you’re buying, selling, or investing, Jack and his team bring local expertise, fresh perspectives, and a passion for helping others achieve their goals. Reach out today and see why The Costigan Group is the go-to choice for real estate in Nashville.
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Truitt Robinson
Affiliate Broker
Truitt Robinson brings a results-driven, client-first approach to every transaction, backed by a strong foundation in high-end service and market insight. Specializing in relocation, investment, and luxury real estate, Truitt combines sharp analytics with deep Nashville market knowledge to help clients make confident, informed decisions. From first-time buyers to seasoned investors, Truitt’s attention to detail, skilled negotiation, and clear communication ensure a smooth, successful experience.
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Adam Walters
Affiliate Broker
Adam’s mission is to advocate for his clients using data-driven marketing, skilled negotiation, and real-world experience to maximize results. He works with everyone from first-time buyers and growing families to seasoned investors and second-home buyers. Adam’s versatility and strategic approach help clients buy smarter, build equity, and move forward with confidence at any price point.
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Sarah Drew Mulvaney
Affiliate Broker
Sarah Drew Mulvaney is a Nashville-based real estate advisor with a background in luxury marketing and a strong understanding of buyer behavior in competitive markets. She works primarily in East Nashville, 12 South, Downtown, and Sylvan Park, helping clients navigate both residential and investment opportunities with clarity and confidence. With a degree in Marketing from Auburn University and experience marketing high-end properties, Sarah brings a strategic, detail-oriented approach to every transaction and is committed to delivering a seamless, well-informed client experience.