Any development, building or structure or accessory building or structure constructed, altered, added to, modified, rebuilt or replaced or any use or accessory use established after the effective date of this chapter in violation of the provisions of this chapter by any person, firm, association, or corporation (including building contractors or their agents) shall be deemed a violation. The Zoning Administrator shall refer violations to the municipal planning agency and the City Attorney, who shall prosecute such violations. Any person, firm, association, or corporation who or which violates or refuses to comply with any of the provisions of this chapter shall be subject to a forfeiture as provided in § 25.04 of this Code, together with the taxable costs of such action. Each day of continued violation shall constitute a separate offense. Every violation of this chapter is a public nuisance, and the creation thereof may be enjoined and the maintenance thereof may be abated by action at suit of the City, the state, or any citizen thereof pursuant to § 87.30(2), Wis. Stats.
