To help you, we wrote down a stepbystep guide on how to get your landlord's permission in the next section. Most intelligent landlords have a clause or item in their lease that does not allow subleasing.To "sublet" means you rent out all or part of an apartment or another type of rental property. This could be for a few days, months, or longer. Create your free Texas residential sublease agreement. Download our template and learn how to sublet an apartment in Texas legally. Check out our airbnb sublease contract selection for the very best in unique or custom, handmade pieces from our templates shops. If you want to rent it out through Airbnb, then, first, read your lease. A sublease agreement is a rental contract used for rerenting a currently leased unit to a new tenant. Million square feet, combined, to Miami's with another 235,800 up for sublease.