Sonoma County, CA has 1.8x real estate agents, so how do you know who’s right for you? HomeLight looks at each agent’s historical performance data to identify those that will get you the best results. Sonoma’s top 3% of agents do 475 real estate transactions per year. Compare that to the average agent who does transactions a year — the top agent completes 79.6% more transactions! And that level of experience pays off for buyers and sellers alike.