Tenant unpaid rent
Back in February I had 2 tenants living in my rental property on a month to month lease with the understanding each would pay half the rent and utilities a piece, that if either left they would be required to give a notice to such effect. One of my tenants left without such notice and have left many of their belongings in the rental property and have not come back to claim such property since the first of February.
Since I have no contact information and no known residence of where they live now, the courts will not let me execute a writ or possession or warrant of debt for unpaid rent, because there is no known address to serve court papers to. Can I as the landlord now claim the property left behind as my own legally, or what course of action do I have to dispose of the processions that were left behind?