A valid sublease in North Carolina requires written approval from the landlord and a detailed sublease agreement. A North Carolina sublease agreement is a rental contract between an individual currently leasing a property (sublessor) and a new tenant (sublessee)How Much Does a Sublease Cost? The average cost (i.e. When a tenant asks its landlord to consent to a sublease the Landlord will rightly focus first on business concerns. Who is the subtenant? Create your free North Carolina sublease agreement and sublet your property. A sublease agreement is a legal contract signed between a tenant and a third party allowing the latter to rent out the entire property or any part of it. Subletting, also known as subleasing, involves renting out a property or a portion of it that you are currently leasing, to a new tenant. The North Carolina sublease agreement is an option for those who would like to move out of a particular property that they are contractually obligated to rent.