Not paying rent or contributing to bills for the residence means the person is not a tenant. I would file an unlawful detainer action in county court. It's essentially the same thing as an eviction, however, an eviction is for a tenant and not a "guest" that refuses to leave.
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If your child is residing with you, and his/her I.D. documents, driver's license, etc., reflect your address, it may be wise to file eviction proceedings against him/her to make sure all is done properly.
Alejandro R. Lopez, Esq.
Law Office of Alejandro R. Lopez, P.A.
4465 Edgewater Dr.,
Orlando, Fla. 32804
If your child is not paying rent, the child is not a tenant and cannot be evicted. However, you can bring an action for either unlawful detainer (for which there is an expedited process) or ejectment (for which there is not an expedited process) to have your child removed. You should contact an experienced real estate lawyer in your area to represent you in this process.
Disclaimer: This answer is provided for informational purposes only, does not constitute legal advice, and does not create an attorney-client relationship. Actual legal advice can only be provided after completing a comprehensive consultation in which all of the relevant facts are discussed and reviewed.