In most cases, the law in California will say a property owner "should have known" about a dangerous condition when it existed for such an amount of time that a reasonably careful person, under similar circumstances, would have discovered it, and then remedied it.  Thus, preventing any injury to any third party.

Mark C. Blane is a San Diego Slip and Fall Attorney, and the managing lawyer of the Law Offices of Mark C. Blane, a San Diego, California Premise Liability Law Firm devoted to representing families of injured persons of automobile accidents. If you or someone you love, has been injured or killed in San Diego County, or Southern California, due to the negligence of another, please order your FREE copy of Mr. Blane's book, The 10 Secrets You Need To Know About Your Injury Case, BEFORE You Call A Lawyer. It is full of helpful information, insights, and secrets that will help you protect your legal rights.  It normally sells for $16.95; however, it is free to all California residents, or those injured in a California accident.