A tenant can sublet without the landlord's permission, even if the lease says its forbidden. If the landlord unreasonably withholds their consent to sublet, the tenant's only remedy is to be let out of their lease after 30 days' notice to the landlord.Leases is an extensive subject that covers a variety of topics, including vacancy leases, renewal leases, security deposits, roommates, subletting, and more. After it is signed, a written lease may not be changed without consent of both parties. If your landlord decides to deny your sublet request, the denial must be reasonable. Your landlord cannot unreasonably withhold consent to sublease. If you have a lease for a set term, like one year, you can sublet with or without your landlord's permission, unless they prohibit this in the written lease. No. Unless your lease already grants consent, you will need the written consent of the landlord for a sublease. Nathanson Law Firm is dedicated to providing our clients with legal services in Real Estate and Real Estate cases. A landlord may not demand rent or commence an eviction proceeding for non-payment until the fifth day after payment is due.