This division does not bar any legal, equitable or summary remedy to which any aggrieved local agency or other public agency, or any person, firm, or corporation may otherwise be entitled, and any such local agency or other public agency, or such person, firm, or corporation may file a suit in the superior court of the county in which any real property attempted to be subdivided or sold, leased, or financed in violation of this division or local ordinance enacted pursuant thereto is located, to restrain or enjoin any attempted or proposed subdivision or sale, lease, or financing in violation of this division or local ordinance enacted pursuant thereto.