According to the Brady Campaign (SOB's)...
Q: What states have CAP laws today?
A: Including Florida, 19 states have laws or legal holdings that specifically hold gun owners accountable for leaving a firearm easily accessible to a child. They are: California, Connecticut, Delaware, Florida, Hawaii, Illinois, Iowa, Kansas (through judicial ruling), Maryland, Massachusetts, Minnesota, Nevada, New Hampshire, New Jersey, North Carolina, Rhode Island, Texas, Virginia, Wisconsin. In addition, some cities have enacted local CAP ordinances including Elgin and Aurora, Illinois; Houston, Texas; Wichita, Kansas; and Baltimore, Maryland.