Bethany Clough over at the Beehive has a list of unlicensed contractors who are operating in the Fresno area that you should on the look out for. She also links to some other articles that are talking about the clamp down on unlicensed contractors. Now I am not saying that people without licenses are bad but you need to be aware because it has other ramifications. Ramifications on your insurance and their ability to be insured to cover their mistakes.