How many years of Beijing residence permit can you buy a house?

Five years. Beijing’s house purchase policy shows that holders of a valid “Beijing Work and Residence Permit” can purchase a house in Beijing, non-local residents who do not own a house in this city and have paid social insurance or personal income tax in this city for more than 5 consecutive years (inclusive), Holders of a valid temporary residence permit in this city are limited to purchasing one house (including newly built commercial housing and second-hand housing), so those who have a Beijing residence permit for five years can buy a house. The residence permit is an attempt by some developed cities in China to learn from the "green card" system of developed countries. It has accumulated experience in formulating skilled immigration methods for China and eventually forming China's national "green card" system.