In my current save I have a residental rental that also works as a horse ranch/farm. The family that owns the ranch also owns the the animals and then rent out some rooms to relatives of theirs....
Ideas
Please check the linked AHQ thread, namely this: https://answers.ea.com/t5/Bug-Reports/NEEDS-SAVES-CoL-FR-Farm-Animals-in-Rental-Neighbours-homes-run/m-p/14338551#M309399