Question Details: I am a landlord; my renters let their daughter ocupy their RV in the front yard of the rental for a period of 90 days agreed upon by myself and the renters. The 90 days is well past and the daughter refuses (and is apparently economically unable) to move. I do not have any agreement with the daughter only the renters; I have sent a Letter of Demand asking that the daughter vacate the RV or I will start eviction proceedings on them. I really do not want to lose what are good renters, and they don't want their daughter staying there either, but she will not move...claiming squatters rights.
Her parents can evict her. Under the law, she will probably be considered to be a "licensee"; that is someone who entered and remained on the premises with permission. Now that such permission has been revoked the lawful way to remove her from the premises is to serve her with a notice to quit (under these circumstances in some states this notice can be for a little as 3 days, in other as much as 30 days).
If she fails to leave at the end of that time her parents will have to go through the requisite procedures for eviction in your state. Once the court enters an order for the tenant to vacate the property it will be enforced by the sheriff, using physical force if necessary.
What the parents need to do now is to speak with an attorney in your area. He/she will advise them on the correct procedures for all of this. If they fail to comply with these procedures they could find themselves on the receiving end of a lawsuit for unlawful eviction.