You could try Craigslist. Be ready for some fairly strict terms, at least in the beginning. The only way I'd qualify someone under my Florida Building Contractor's license is if I owned the contracts on the first few jobs at least. Don't forget, the qualifying agent is responsible, not you. If I'm going to have 100% responsibility, I'm going to have 100% control at least until we get to know each other very well.
I doubt I'd qualify anyone for less than 5% of the job cost.