Newsflash: Why are little apartment style condos so rare to find on Zillow, realator?

Ive been searching for little apartment style places and they rarely show up. I was wondering why they are so rare and if there are any resources I can use outside of zillow or realator. Com to find them. For example: https://www.zillow.com/homedetails/3080-N-River-Rd-NE-APT-J5-Warren-OH-44483/35523837_zpid/

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