Can I build a house?
How will the housing system work?
You can build a house in a "free zone" and that will claim an area around it, or you could go to a town, become a citizen, and build a house there
you should read/listen this links:
Welcome at our community!
TLDR: yes you can build your house, and you have a lot's of freedom where you can build. You can even build somewhere far away from everyone else and live like a lone wolf.