The state, condition, or practice of being unsanitary(noun)
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Use "unsanitariness" in a sentence
"The fact of its disappearance is both significant and interesting, in that it was unquestionably due to the ranker and viler forms of both municipal and individual filthiness and unsanitariness, which even our moderate progress in civilization has now abolished."
"A News of the Weird Classic (July 1999) • Walt and Kathy Viggiano of Wichita, Kan., convinced Judge James Burgess to return their four children from foster care in 1999, following their removal the year before because of the unsanitariness of the family's mobile home."