Sudden property tax increased

[Allen Freeman]

When viewing property tax history on Zillow, I frequently see these huge jumps in property taxes from year to year, sometimes 100% increases (see attached example). Sometimes these are rehabbed houses, but many times I can see nothing that has happened that would justify such an increase. What am I seeing here? I am having a hard time trusting my analysis when I wonder whether my property tax budget could 2-5x in a year. Is this some kind of reporting error? FWIW, this is in the Akron OH area, but ive seen examples all over the country.