Around here, the bar is lower for work on your own property, but you still need to be qualified by the county to be allowed to do so. Qualification consists of a 2 hour open book exam, where the book is a copy of the national electrical codes.

https://www.montgomerycountymd.gov/DPS/Process/combuild/home...

Granted, if you actually do unlicensed work in your house, no one will know. But it is still illegal.