Cedar Ridge Neighborhood is a Kansas City Missouri in Clay County Subdivision. This blog will keep you informed in what is happening in the secluded neighborhood.  Cedar Ridge is located south of Barry Road in North Kansas City at the very south end of Platte Purchase Street across the the street from Cedar Hills Subdivision in Platte County. The East side of Platte Purchase Street is Clay County and the West side is Platte County. Kansas City, Mo Clay County Subdivision Cedar Ridge is on the East side of Platte Purchase. Cedar Ridge is a small subdivision of approximately 100 single family homes built on large lots. Cedar Ridge Homes were about build between 1997 & 2005, those homes are selling for approximately upper 100K to lower 200k $180,000 to $230,000 Kansas City, MO Clay County ... 04/15/2010