Well it depends. Very important shrines are dismantled and rebuilt every 20 years, eg https://japanwoodcraftassociation.com/2020/02/13/traditions-...

There are lots of old houses in use and for sale in Japan, but many people prefer building a new house to renovating or maintaining an old one - partly for practical reasons, partly because newer structures are more likely to be earthquake-resilient, partly due to haunting.