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Yes there is a list. State licensure is public information. Your state has a website with a link to contractor licensing- look up a license -check a license- by trade-by town-by name. If you have trouble finding the link, tell me what state you are in and I will try to find it for you.
Regional Municipality of York, Public health, health protection division, charges $103 for contractors licenses.
This information is from a revenue list. I can not find a direct link. You will have to call them. Angie's list is also a source for local contractors who have performed well.
General C&ontractor
35 years of troubleshooting construction, remodel, component & material failures. What to do next