'House of God' in the Bible

how he went into the house of God, and they ate the showbread, which it was not lawful for him to eat, nor for those who were with him, but for the priests alone?

how he went into the house of God in the days of Abiathar the highpriest, and ate the showbread, which it is lawful for none but the priests to eat, and gave also to those who were with him?

how he went into the house of God, and took and ate the showbread, and gave it also to those who were with him, which it is not lawful for any to eat but the priests alone?

but if I should tarry long, that thou mayst know how thou oughtest to conduct thyself in the house of God, which is the church of the living God, the pillar and foundation of the truth.

and having a great priest over the house of God,

For the time is come for judgment to begin at the house of God; but if it first begin with us, what will be the end of those who obey not the gospel of God?