RSA 676:15: Injunctive Relief.

In case any building or structure or part thereof is or is proposed to be erected, constructed, altered, or reconstructed, or any land is or is proposed to be used in violation of this title or of any local ordinance, code, or regulation adopted under this title, or of any provision or specification of an application, plat, or plan approved by, or any requirement or condition of a permit or decision issued by, any local administrator or land use board acting under the authority of this title, the building inspector or other official with authority to enforce the provisions of this title or any local ordinance, code, or regulation adopted under this title, or the owner of any adjacent or neighboring property who would be specially damaged by such violation may, in addition to other remedies provided by law, institute injunction, mandamus, abatement, or any other appropriate action or proceeding to prevent, enjoin, abate, or remove such unlawful erection, construction, alteration, or reconstruction.