Finnian Cornelison

Finnian Cornelison is a Texas REALTOR® serving the San Antonio metropolitan area. Bringing a distinct background as a former Military Intelligence Analyst and sworn County Sheriff’s Deputy, Finnian offers a level of analytical rigor and protection rarely found in real estate. Operating actively as a licensed Private Investigator and an ASIS board-certified Physical Security Professional (PSP®), Finnian evaluates real estate through an unmatched lens of risk assessment and residential security. Whether you are buying, selling, or investing, Finnian combines sharp market insight, strategic negotiation, and threat-aware property evaluation to ensure your transaction is seamless and your home is truly secure. For clients who refuse to settle for passive safety, Finnian delivers a client-centric approach focused on actionable results, peace of mind, and long-term value.

As a Texas REALTOR®, my mission extends far beyond the closing table. Anchored in strict fiduciary duty, integrity, and trust, I am committed to building enduring relationships rooted in transparency and mutual respect. Specializing in residential security and property defense, I empower clients to go beyond watching or hoping for safety—taking real, decisive action to secure what matters most. Through expert negotiation, tactical market insight, and physical security expertise, I champion your interests at every step. My pledge is unwavering: to protect your investment, advance your goals, and deliver a home that serves as an absolute sanctuary for your family.