They had moved in with her mother who was in the process of losing her home to foreclosure & it was subsequently sold at a Tax Lien auction. 

By suite did you mean like a mother in law unit?  

Watching my mother fight Breast Cancer.

We had 1 mother/daughter/granddaughter apply, and the mother was the sweetest lady, clean slate, hard worker.. but her daughter (30), well recently on her I think 4th eviction last month, and quite possibly the worst history I've ever seen,  so we denied them- it was obvious this lady had no respect for anyone, and would likely soon be screwing over her own mom,  and her mom couldn't pass by herself so.... with your example, yes, we have decided against someone based on the entire application.     

I believe you can ask them to move even with rent control in place IF the new owner or a directly family member (Spouse, Mother, Father, Children) want to move into the unit.

House was originally owned by a mother and daughter jointly.

Every San Diego purchase has out performed our 2 OOS investments but one of our OOS RE had some Mother Nature misfortunes.  

Mother F$#$# said "look here kids" to me and my wife...

Is it legal to have a SFH that has a mother-in-law suite attached to it be rented out to a normal 12 month lease type of tenant and then have the mother-in-law suite be an Airbnb.

She recounts the story of a welfare mother coming to a friend's home and commenting on how nice the home was but that she would never be willing to go to college and graduate or work the hours necessary to earn that home as long as she could get by on welfare.I will be more than happy to bash anyone who doesn't keep their promises - rich or poor.