The FAA requires all US drone owners and operators to register and follow the rules outlined in their online guide KnowB4YouFly. If you plan to be a commercial pilot (make money using drones), you must file for a 333 exemption. There is also a great FAQ on their website you can refer to.
Follow the rules and laws of your region and get educated on safe, legal flying before you go. Many states in the United States are actively drafting their own restrictions, however many are following the rules outlined by the FAA. Besides KnowB4YouFly, you can also visit http://airmap.io.
*Please note that while Skycatch provides the above information, individuals are responsible for keeping up to date on the latest regulations and adhering to current laws in the area of operation.