Rental Agreement Doc Does A Rental Agreement Need To Be Notarized To Be Legally Binding/valid?

Does a rental agreement need to be notarized to be legally binding/valid? - rental agreement doc

I decided that my new roommate a lease, since my last missing had to pay rent for several months and absolutely no legal recourse to complain. Is it necessary to reach an agreement before a notary public in order to make it legally binding?