You can Help yourself
You can greatly reduce your risk of loss to an unlicensed contractor by doing the following:
1st Call to obtain a second bid for the work to be done.
2nd Require references and call to verify those references.
3rd Check on-line at https://www.myfloridalicense.com/wl11.asp to see if the individual has a State License.
4th All Licensed Contractors are aware of the Florida Statute that make it a penalty for them or anyone acting as an agent on their behalf to present, distribute, display a business card, contract, offer of service, sign, letterhead, vehicle or any form of advertising without displaying their Contractor’s License Number.