<prompt> Human: Hi all, I have a family member who has been renting the same house for over 40 years in California. The house was built in the 50s and rented since the 70s. Very little work has been done on the house from the landlord. The rent is always paid on time and the house would technically have been paid at least twice over. Would anyone know the best course of action to owning the property or leading me to a better source of legal info? Any help is greatly appreciated.  <response>: 40 years of rent does not entitle you to anything. I feel like that is answering your main question. 