What does ～宅 mean?
～宅 is a Japanese noun meaning “home of (suffix)” or “residence” in English. It is written as ～宅 in kanji, ～たく in hiragana, and ～taku in romaji. This word is part of JLPT N3 vocabulary.
NoteSuffix for someone's home (友人宅 = a friend's house).
Example sentences
今夜は友人宅に泊まる。
I'm staying at a friend's house tonight.
田中さん宅に荷物を届けた。
I delivered the parcel to the Tanakas' house.