Officials say it's a case of animal hoarding. The homeowners say they were taking good care of the cats.
The house in Sacramento has been condemned, and police say they'll seek felony animal cruelty charges against the Francos.
The couple insist they cared well for the animals, who appeared healthy.
Officials have told them they may only keep seven of the cats, the maximum allowed by law.
Information from: The Sacramento Bee, http://www.sacbee.com