czb evaluated 19,259 residential exteriors (more than 2/3 of the homes in JCC) on a 5-point scale to determine the approximate condition of various county neighborhoods. czb surveyed properties that were constructed prior to 2000 and have home values below $400K. Property condition scores reflect the level of investment in major areas of each home, including the porch, roof, siding, landscaping, and entryway of the surveyed property.