As of 2024, Harris County itself does not have any specific licensing requirements or permits for operating short-term rentals (STRs). Find 64 flexible and convenient short-term apartments for rent in Harris.A short term lease is a type of rental agreement that is typically less than a full year, often ranging from a few weeks to a few months. The first thing is to decide the rent cost and a clear agreement, otherwise you have to face legal problems. The family negotiates for the best lease terms, for not less than one year, meeting rental requirements and standards. The Harris County Housing. The promulgated forms do not address short term leases. Most leases do not allow for subletting, which is what will be happening. The rent cap pledge didn't come out of nowhere. However, generally, a lease term under six months is considered shortterm, with the shortest lease duration typically being one month.