Maine does not have specific restrictions on guns on private property. However, the state considers it criminal trespass if a person enters or remains on property without the owner’s consent or when access has been prohibited by the way of signs.
Signs must indicate that access is prohibited, access is prohibited without the landowner’s permission, or that access for a particular purpose is prohibited. (See 17A M.R.S. § 402
MySecuritySign offers No Guns signs to control access.