Hello. Sorry to hear you are having problems with the kids at the property. This is a duplex and the MLS indicates that one unit is vacant and one unit is currently occupied. The MLS also indicates that this property is currently pending. I would first try to make contact with the listing agent to see if you might be able to find out more information regarding the tenant. They may have information regarding the current situation to see if you are able to resolve the issues you are having. If the listing agent does not have more information you may want to try to contact the incoming owner. Once the property sells, the seller information will be on public record.
I hope this helps!
Alain Pinel Realtors