In case any building, structure or sign is erected, constructed, reconstructed, altered, repaired, converted or maintained, or any building, structure or land is used in violation of this chapter or any regulations made pursuant thereto, in addition to other remedies provided by law, any appropriate legal action may be instituted or taken to prevent such unlawful erection, construction, reconstruction, alteration, repair, conversion, maintenance or use to restrain, correct or abate such violation, to prevent the occupancy of said building, structure or land or to prevent any illegal act, conduct, business or use in or about such premises.