Any person who is convicted pursuant to Section 17995 for a second or subsequent time within a five-year period for violations at the same property where such violations are determined by the trier of fact to be so extensive and of such a nature that the immediate health and safety of residents or the public is endangered and where the extent and nature of the violations are due to the defendant's habitual neglect of customary maintenance and display a flagrant lack of concern for the health and safety of residents and the public, shall be punishable by a fine not exceeding five thousand dollars ($5,000) and by imprisonment of not less than six months but not exceeding one year, provided also that the trier of fact finds at least four serious violations of the following categories of violations are involved:
Ca. Health and Saf. Code § 17995.3