Any person, firm, company or corporation owning, controlling or managing any building, structure or premises therein or where there shall be placed on or there exists anything in violation of any of the provisions of this chapter and any person, firm, company or corporation who or which shall assist in the commission of any violation of this chapter or any conditions imposed by the Zoning Board of Appeals or who or which shall build contrary to the plans or specifications submitted to the Building Inspector/Code Enforcement Officer and by him certified as complying with this chapter and any person, firm, company or corporation who or which shall omit, neglect or refuse to do any act required by this chapter shall be guilty of an offense and subject to a fine of not more than $250 or to imprisonment for a period of not more than 15 days, or both, and in addition may be ordered to pay all costs and expenses involved in the case. Every such person, firm, company or corporation shall be deemed guilty of a separate offense for each week such violation, disobedience, omission, neglect or refusal shall continue.