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POL Government Elected Officials Auditor Griffin-Valade Charter, Code & Policies City Code & Charter Online Code & Charter Title 8 Health and Sanita Chapter 8.40 Rodent Control
8.40.030 New Buildings to be Made Ratproof.

It is unlawful for any person to construct any building or structure or to repair or remodel any building or structure to the extent of 50 percent of the cost new unless the same shall be made ratproof by the use of impervious material as herein provided.