(FOX NEWS) They were king and queen of their homemade castle, but now a city in Utah is threatening to impose heavy fines and even a lien on the family home if they don’t tear it down.

Jeremy Trentelman built a cardboard castle for his kids, who are 2 and 3 years old, in their front yard.

Last week, though, Trentelman reportedly received a letter from Ogden City Code Enforcement officials stating that the castle was violating city code — which prohibits people from putting junk in their yards.

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