If you have either Graal online Classic+ or bought the house pack, you can purchace a player owned house for 99999999999999999999 gralats, and you have to pay a monthly fee of 9999999999999999999999999999999999999999999 gralats.

Guild HouseEdit

If you have the guild house pack (gratis) you can create one for free with no monthly fee, plus you can invite up to 25 people in.