Hillcrest Park, Cos Cob, CT may have 17 real estate agents, but you’re looking for the cream of the crop. Homelight analyzes performance data from all of Hillcrest Park’s active agents to find you those with the best objective results. The top 3% of Hillcrest Park agents boast impressive numbers: They complete 38.2% more real estate transactions each year than the average agent, and sell homes 24.5% faster.