Melissa Dunn
Festus
114 E. Main Street
Festus, MO 63028
Biography
Meet Melissa Dunn – Realtor®, Main Key Realty
Raised right here in Jefferson County, Melissa Dunn brings deep local knowledge, a strong business foundation, and over 20 years of leadership experience to every real estate transaction.
Before joining Main Key Realty, Melissa built her career at Walmart, where she worked her way up to management—overseeing teams, solving problems under pressure, and ensuring every customer received exceptional service. Those years taught her the power of organization, communication, and results-driven leadership—skills that now make her an incredible advocate for her real estate clients.
Melissa holds a Bachelor’s Degree in Business from UMSL, combining her education with her hands-on management experience to guide buyers and sellers with confidence and care. Whether she’s coordinating showings, negotiating offers, or walking clients through closing day, Melissa’s goal is simple: to make the process as easy and stress-free as possible.
Known for her big heart, calm approach, and genuine care, Melissa goes above and beyond to ensure her clients feel supported every step of the way.
When you work with Melissa, you’re not just getting a Realtor—you’re gaining a trusted partner who treats your goals as her own.

