generally 4 years. When it comes to the specific differences between apartments and houses, some people only know that one property right is 4 years and the other is 7 years. But in fact, the water and electricity of apartments are mostly calculated by business, and the taxes and fees paid and the land transfer fees are higher than those paid by houses. In addition, compared with residential products, apartments are smaller in size and lower in total price, and most of them are delivered by fine decoration, attracting mostly non-owner-occupiers and those who just need to transition.