In the case where 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 action 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, correct or abate such violation, to prevent the occupancy of said building, structure or land or to prevent any legal act, conduct, business or use in or about such premises.