If I really liked the place, I would probably call it 'unpretentious.' But I don't, so I will call it 'unambitious.'
Minimal effort and expense put into furniture, decor, bar, and menu.
It's a friendly crowd and they do have live music sometimes, so if you lived in the immediate neighborhood, it might be worth stopping in and getting to know the regulars.
But if you have to walk more than a block, you might as well walk to Market Street and take your choice of any number of more interesting watering holes.