Eagle Valley in Algonquin Eagle Valley is a subdivision of single family homes built in the mid 2000's. Eagle Valley is located in Algonquin south of Algonquin Road and west of Main (Route 31). Activity in Eagle Valley for the past 6 months Homes Sold Lowest Price Highest Price Average Price 0 $0 $0 $0 -Algonquin-   Address City Beds Baths Model List Price Status 625 Harper Dr Algonquin 3 3.1   $325,000 Active 705 Harper Dr Algonquin 0 0   $57,900 Active 400 Harper Dr Algonquin 4 3.1   $359,000 Active 715 Harper Dr Algonquin 4 3.1 Custom $325,000 Active 615 Harper Dr Algonquin 0 0   $80,000 Active  03/01/2012