If your operating agreement is not recorded (and they don't have to be) then your signature on your own single member LLC agreement does not need to be notarized.
No attorney-client relationship is created by the answers provided here and all answers are of a general nature.
If you are referring to the optional document defining the operating procedures for you LLC, then Attorney Brede is correct. If you are referring to the required filing with the Secretary of State, entitled Articles of Organization but which I have seen referred to as the Operating Agreement, this does not need notarization either.
Both responses are correct - the operating agreement does not need to be notarized. But there is no harm in having the documents notarized to verify your signature.
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