4710 Plummer Ct This Single-Family Home located at 4710 Plummer Court, San Diego CA sold on Nov 10, 2008. 4710 Plummer Ct has 6 beds, 4 ½ baths, and approximately 4,034 square feet. The property has a lot size of 8,407 sqft and was built in 1993. The average listing price for similar homes for sale is $1,530,495 and the average sales price for similar recently sold homes is $1,570,483. 4710 Plummer Ct is in the Carmel Valley neighborhood in San Diego, CA. The average price per square foot for homes for sale in Carmel Valley is $411.