Do you need to provide your landlord with a copy of the key to your new lock?
In the US, it's standard for a rental agreement and/or state law to specify that the landlord can enter your property with 24 hours notice even if you're not there, or to enter immediately in case of an emergency.
In the US, it's standard for a rental agreement and/or state law to specify that the landlord can enter your property with 24 hours notice even if you're not there, or to enter immediately in case of an emergency.