Site: nolo.com
... Pennsylvania law states that landlords can consider property to be abandoned when:
a written lease ends ... more than 15 days past due, and, after both of these events, the landlord has posted notice of the tenant's ... Landlords Must Send Tenants Notice of the Abandoned Property
First, landlords should review the lease ... If the lease or rental agreement addresses abandoned property, its terms will govern, even if they conflict ... A landlord must provide the tenant with written notice of the tenant's rights before the landlord can ... Handling a Tenant's Abandoned Property in Pennsylvania ...