The legal responsibility of a notary is in its essence an important element of the legal regulation of public relations in the field of notarial activities, which is manifested in the purposeful influence of the state on the behavior of notaries through legal means. The purpose of this article is to formulate the concept and outline the characteristics of the main types of legal liability of a private notary. The legal liability of private notaries is proposed to be understood as a set of legal coercive restrictions provided by law and the suffering of subjects of private notarial activity of personal, organizational and property nature for the committed offense. At the same time, it is emphasized that the legal responsibility of a notary as a structural element of his legal status consists not only in the application of appropriate coercive measures against him for an offense (retrospective aspect), but also in his awareness of his responsibility for proper performance (prospective aspect). It is noted that the components of the system of legal liability of a private notary are its types, namely: civil (professional), criminal, administrative and disciplinary. It is emphasized that the institution of legal liability of private notaries should be considered not only as a guarantee of lawful and conscientious performance of their duties, a means of protecting the legitimate interests of the state and citizens related to the provision of notarial services, but also as a regime of private notaries. procedural relations arising from the application of coercive measures by the state to them. It is established that the legal responsibility of a private notary is complex, and provides for the imposition on him not only the actual legal responsibility, but also moral responsibility for actions before the state and society. The limits of legal liability of private notaries depend on the type of such liability. The administrative nature of the notary’s activity and his performance of actions on behalf of the state allows to draw a conclusion about the tortious nature of the notary’s liability for violation of the established procedure for performing notarial acts.