It can also be written with the character 宅 (taku), which is more formal and usually refers to a residence or home.
Here are some examples of how to use these words:
* 私の家はここにあります。 (Watashi no ie wa koko ni arimasu.) - My house is here.
* 新しい家を買いました。 (Atarashii ie o kaimashita.) - I bought a new house.
* 彼の自宅は東京です。 (Kare no taku wa Tokyo desu.) - His home is in Tokyo.