Site: nolo.com
... Leases expire on their own at the end of their term, and landlords generally aren’t required to ... State laws allow landlords to do this by serving the tenant with one of three different types of termination ... rental agreement, such as:
keeping a pet in violation of a no-pets rule
bringing in an unauthorized roommate ... “cure,” the violation—for example, by getting rid of the pet or the unauthorized roommate ... For instance, suppose your lease prohibits tenant alterations or improvements without your consent. ... Terminating a Rental Agreement or Lease for Cause ...