Is it legal and safe to borrow the key from the property and press the ID card?

It's illegal and unsafe. If you are the owner, you have the right to take the key. You don't need to deduct your ID card. Deduction is illegal. You can go directly to the Housing Authority and don't give the original ID card to others at any time. Property refers to all kinds of houses and their supporting equipment, facilities and venues that have been built and put into use. Real estate can be large or small, a flat can be a real estate, and a building can also be used as a real estate. The same building can be divided into several real estates according to different ownership.