Can my landlord unreasonably deny consent to assign my lease? If the lease agreement explicitly allows subleasing, tenants may sublet without landlord consent.It is not uncommon for a lease to provide that the landlord's consent to an assignment may not be unreasonably withheld. The landlord needs to consent to the lease transfer through a "License to Assign" document. Tenants have the right to terminate a rental agreement, in cases of domestic abuse, without any legal consequences when they vacate the property. The assignor and the assignee must sign the Assignment and Assumption of Lease Agreement in addition to the landlord. Should you give your landlord notice of intent to vacate on a particular date, then you must leave unless you come to written agreement otherwise. Custom work or modifications, on the other hand, are not the responsibility of the landlord and must be mentioned in the lease. How do I assign a lease in NYC? Assign a Lease A tenant may not assign the lease without the landlords written con- sent.