The only dangerous snakes in California are sea snakes, which live in the waters off Southern California, and are rarely seen; and rattlesnakes, which tend to g

The only dangerous snakes in California are sea snakes, which live in the waters off Southern California, and are rarely seen; and rattlesnakes, which tend to give you a warning before they do anything. Both kinds of snakes would rather leave you alone, as long as you leave them alone. Bites are rare for this reason. In all honesty, a rattlesnake is probably more dangerous to a curious dog than a human.