Right now they have an oral agreement, you can certainly write up a written lease and see if they will accept it or not.
If they don't - you can give them written notice to end their tenancy (according to the law) and look for new tenants.
Right now they have an oral agreement, you can certainly write up a written lease and see if they will accept it or not.
If they don't - you can give them written notice to end their tenancy (according to the law) and look for new tenants.