Home Sales in the Preserve subdivision in Rockwall, Texas have been brisk in 2013, with 22 houses sold. The houses sold were built between the years 2008 and 2012, and the average sales price for a house in the Preserve subdivision was $352,007. Click here for the full report. Rockwall Texas Real Estate Reports Register online for monthly updates on your city and neighborhood homes information, automatically emailed to you.   05/30/2014