When any portion of the sidewalk is out of repair, or pending reconstruction, and in a condition to endanger persons or property, or in condition to interfere with the public convenience in the use of such sidewalk, the director shall notify the owner of the property fronting on that sidewalk of such sidewalk so out of repair, and directing such owner to repair said sidewalk.
(Prior code § 23.74 (Ord. 593 §4, Ord. 2364 §141))