Del. Code tit. 9, § 2514

The imposition of the penalties in this chapter shall not preclude the Attorney General, County Attorney or Code Enforcement Constable from instituting appropriate actions or proceedings to prevent the unlawful erection, construction, reconstruction, alteration, repair, conversion, maintenance or use, or to restrain, correct or abate a violation, or to prevent the occupancy of a building, structure or premises, or to prevent an illegal act, conduct, business or use in or about any premises.