If you want to inquire about the owner's name, building area and whether the house is mortgaged, you need to go to the Housing Authority to inquire, or bring your personal ID card to the archives or window of the Housing Authority to inquire.
Since the introduction of the purchase restriction policy, many families will be affected by taxes and fees, loan interest rates and so on. When buying two or three suites, but only if the family is sure to buy two or three suites. Property buyers can go to the local housing management department to make inquiries, and will eventually issue a query result of the original housing information of residents' families, which will be clearly marked on the disposal of several suites or houses owned by individuals or families. So you can easily decide whether you are qualified to buy a house and what the interest rate is.