HomeLight looks at the performance data of the top-performing real estate agents in Parkwood - Mercer Firs, Mercer Island, WA to show you only the best matches. This is what a top Parkwood - Mercer Firs real estate agent looks like: they make their sellers $55,123 more money than the average agent, save $85,746 more for buyers, and work 59.5% more transactions.