HELP!! sister needs apt that allows dogs...

she and her fiance have been living in an basement apt for about 2 years, he owns his own custom car shop and they rescued a dog from going to the shelter, it stays at the shop overnight from about 11pm- 9am it's 2 years old, very well behaved bvut it's only knows staying at a shop. They took it from someone who was moving into a new shop and the landlord wouldnt allows dogs on the property but they really want to take home... does anyone know of someone wha has an aprtment that allows dogs? it's med size dog too not a small one

FM me please