There were 52 homes sold in Brentwood in the fourth quarter of 2015, a 25 percent drop from the 69 sold in the same period a year earlier, according to a report by the Agency.
The average sales price was $4.7 million, up 3 percent from the year-ago period.
The median home price was $2.8 million, up 16 percent from the fourth quarter of 2014.
The average price per square foot also increased, by 18 percent, to $1,132.
Properties sat on the market for longer in the fourth quarter than they did a year ago. They waited an average of 90 days, a 16 percent increase.