Family Law Questions? Ask a Family Lawyer Online.
I'm Lucy, and I'd be happy to answer your questions today. I'm sorry to hear about your frustration.
As long as you and your wife are in agreement, you can serve your son with a 30 day notice to vacate. You're not legally obligated to allow him to live with you rent free after he turns 18. As an adult in your home with your consent, he's subject to regular laws regarding a tenant (even if he doesn't pay rent). The notice should be in writing, and it should end at the end of a month (meaning a notice given today would be effective December 1.) You may have any third party adult hand it to him, or you can post a copy on the door to his room and also mail him a copy.
If he doesn't move out by the date indicated, you can go to court and have him evicted.
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