In case any building, sign, signboard, structure, fence or rental dwelling unit, or any part thereof, is erected, constructed, reconstructed, moved, altered, repaired, converted, maintained, rented or used or any land is used or any hedge, tree, shrub or other growth is maintained in violation of any provision of this chapter or of any rule or regulation made under the authority thereof, in addition to other remedies provided by law, any appropriate action or proceeding, whether by legal process or otherwise, may be instituted or taken by the construction, reconstruction, moving, alteration, repair, conversion, maintenance, rental or use to restrain, correct, abate or remove such violation, to prevent the unlawful occupancy or use of such building, sign, signboard, structure, fence or rental dwelling unit or the unlawful use of any land or to prevent any illegal act, conduct, business or use in or about such premises.