on the house

Idioms  

1. At the expense of the establishment, as in This hotel serves an afternoon tea that's on the house. This idiom uses house in the sense of “an inn, tavern, or other building serving the public.” [Late 1800s]

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Example Sentences

Khanna, who led the push to force a vote on the House floor to demand the Justice Department release the Epstein files, also co-wrote a letter with Garcia to Epstein’s estate requesting an unredacted copy of the birthday book.

From Los Angeles Times

Garcia, the top Democrat on the House’s oversight committee, also announced the creation of a tracker to document misconduct and abuse during ICE raids.

From Los Angeles Times

Mayor Karen Bass and the top Democrat on the House Oversight Committee have announced ‘a broad investigation’ into arrests of U.S. citizens by ICE.

From Los Angeles Times

When police served a search warrant on the house in February, they found 26 assault-style rifles in one of the bedrooms, he said.

From Los Angeles Times

After my final wager went bust, I pivoted to the bar—where, unfortunately, the drinks were no longer on the house.

From Slate