FAQs A resident gave a 30-day notice and has moved out but has not returned the keys. The landlord posted a 24-hour notice to enter and upon entering the unit, discovered it was empty. Can the landlord change the locks and take possession or is the landlord required to post a Notice of Abandonment? The resident did not pay rent for the last month she was there. To view the answer to this question, please sign in, or become a member.