This abode at 8508 Cherry Valley Ln, Alexandria is a good example of where to find value in Riverside Estates. Riverside Estates is a community of homes in Fairfax County and Alexandria. Listings in Riverside Estates are typically brick colonial. 8508 Cherry Valley Ln is asking $599,900 but how does that compare to others featured in Riverside Estates. The average living area in Riverside Estates is 1,740 while 8508 Cherry Valley Ln has 1,654 sqft of living space. Compare the average assessed value in Riverside Estates of $ to 8508 Cherry Valley Ln which is selling for $599,900.