A tenant renting a residence may not assign his lease without the written consent of the owner, which consent may be unconditionally withheld without cause. In most states, landlords are not required to be reasonable when it comes to giving consent to their tenants for the assignment of a leased space.A tenant may not assign the lease without the landlord's written consent. The landlord may withhold consent without cause. If you have the right to assign without having to get the landlord's consent, then you do not need to comply with his requirements. Consider making an assignment or sublease made without Landlord's consent an automatic default without notice and opportunity to cure. Smoking in the rental property, as this would not violate any state, federal, or local laws. A landlord who wants people who are not allowed to live in the house to leave. Related thereto and for no other purposes without the prior written consent of Landlord (the "Use"). Unless otherwise stated, you will need the written consent of the landlord before you can assign or sublet your lease.