ובא אשר לו הבית... והבא אל הבית ... יטמא
A house that has a tzaraas plague, appear on its structure is rendered tamei, ritually contaminated. This is a miraculous phenomenon which occurs only in Eretz Yisrael. If it does not disappear, the walls – and, at times, the entire structure – is demolished. Initially (Ramban), tzaraas on a house is Hashem’s subtle rebuke to its owner. Something is amiss in his behavior. The house is his first warning. Hashem first afflicts (he who is deserving) something outside of his body. If he does not listen to the message and positively alters his demeanor, the ailment will spread to his…