A nearby house that is slightly less fancy than mine just sold for 100+K more then mine is listed on the tax rolls which is drastically above previous sales for

A nearby house that is slightly less fancy than mine just sold for 100+K more then mine is listed on the tax rolls which is drastically above previous sales for such homes in this area. Not a large town, lots of empty land for sale, excellent Internet and prices are still thru the roof so it isn't just a California issue when talking about housing and such costs.