Condition of Property: All vacant land, lots, and premises, with or without buildings thereon, designed for residential purposes, shall be clean and free from garbage, rubbish, and debris, as well as unsightly natural growth, and from any and all conditions which might result in a hazard to safety. All grass, hedges, and shrubbery shall be kept trimmed and shall not be permitted to become overgrown and unsightly. All fences surrounding vacant or occupied lands, herein described, shall be kept in good repair.