When you’re buying or selling a home, having the right real estate agent makes all the difference. That’s why HomeLight analyzes performance data from each of St. Mary, MO’s 35 agents — so we can find the best fit for you. And what a difference having a top agent makes: The top 3% of agents in St. Mary complete 61.2% more real estate transactions than the average agent. What’s more, these top agents save their sellers 2.2% more money than the average agent, and save their buyers 81.5% more.