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