This article explores the average lifespan of a Japanese apartment and the factors that can affect its longevity. It also looks at ways to increase the lifespan of a Japanese apartment, such as regular cleaning and repair work, investing in quality materials when renovating or remodeling, avoiding extreme temperatures/humidity levels, and limiting tenant turnover. The average life expectancy of a Japanese apartment is between 10-15 years depending on its condition and how well it is maintained. Additionally, there are some frequently asked questions about living in a Japanese apartment answered.