Catherine Throneburg

Catherine Throneburg is a REALTOR® with Mainframe Real Estate, serving buyers, sellers, and investors throughout Central and Northeast Florida. To Catherine, real estate is more than a transaction — it’s about protecting her clients’ investments, advocating for their goals, and helping them step confidently into their next chapter.Her background in hospitality, sales, and recruitment shaped the way she serves her clients: organized, responsive, detail-driven, and proactive. Catherine doesn’t wait for problems to arise — she anticipates them. From pricing and marketing strategy to negotiations and contracts, she guides her clients through every step so they always feel informed and in control.At Mainframe Real Estate, Catherine combines modern tools, data-driven insights, and strategic marketing with a highly personal approach. There are no cookie-cutter plans — every strategy is thoughtfully customized around her clients’ goals, timeline, and comfort level.Raised in a military household and as a law-enforcement spouse, Catherine operates with discipline, integrity, and strong follow-through. Her clients know she is firmly in their corner from day one through closing — and long after the keys are handed over.Beyond real estate, Catherine is actively involved with the nonprofit organization Call to Action, which raises awareness about human trafficking and supports survivors of domestic abuse. She is also engaged in her children’s school PTA and can often be found cheering from the sidelines at dance competitions, soccer matches, gymnastics meets, and flag football games. Serving her community — both professionally and personally — is at the heart of who she is.For those looking for clear communication, confident negotiation, and an agent who genuinely cares about the outcome, Catherine is committed to helping make the next move a successful one.