Florida landlords have the right to deny a primary tenant the right to sublease their property (apartment, condo or business) to another person or entity. Subletting is a real estate arrangement where a tenant leases their rental property or part of it to another individual, known as a subtenant.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. Embrace subletting in California! Know your rights, follow guidelines, and have a solid sublease agreement. Subletting, also known as subleasing, involves renting out a property or a portion of it that you are currently leasing, to a new tenant. Here's some language for a sample letter requesting sublet permission. Use it in part or full when submitting your proposal. Much like apartment renters use Airbnb to rent out their extra rooms, businesses can sublease office space for extra money. Next, provide relevant property details such as address and type.