Authorities in St. Croix, Wis., condemned a house after 250 cats were found dead and alive inside a filthy house with floors covered with feces, according to Local 6 News.

Complaints from neighbors of a foul stench coming from the St. Croix home led investigators to the discovery.

Officials said many of the animals were dead by the time investigators arrived at the scene.

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Bags of dead cats were videotaped being taken away in truck and sitting next to the home.

"Every cat that appeared to die in the home, stayed in the home," St. Croix Police Chief Paul Lindholm said. "It was difficult to breathe, so it's amazing how these people were even able to live in those conditions."

Many of the cats found alive in the home had to be put to sleep, although some live cats were still seen through the windows of the home.

Crews were sealing the home to make sure none of the living animals inside escapes into the neighborhood, according to the report.

Inspectors said the house must be razed once all the animals are removed.

Investigators say the homeowner apparently took in stray cats and just became overwhelmed by the situation.

Watch Local 6 News for more on this story.