Average all round...
This one is a hard one to review, nothing went wrong with the stay and nothing was exceptional, I would give it 3.5 / 5 but you can't do that!
The service was good with helpful friendly staff who knew what they were doing. Every interaction with them was positive and they did all they could to help us. The location is great for tourists with the street car and tram lines just a short walk away, and the Fishermans Wharf area literally at the doorstep. If you have been to SF before and want to stay somewhere a little more authentic, this place is not for you, but for a first time visitor i think the location is hard to beat. I have been before but was travelling with a 1st timer. 
Breakfast was nothing special but functional and had everything you need plus a bit, you will not go hungry! 
So... why the average score? Mainly as the property is just a little old looking, the decor and the style seems like it has aged really badly and place could do with some modernisation, getting rid of the colourful carpets and stuff and making it more subdued. Not sure how long it has been decorated this way but it sure seems like it needs a more modern feel. Its only this that is losing the hotel a rating point. Rooms were clean with windows that you could open and allow fresh air into, but again seemed dated yet fully functional. Bathrooms were of a good size and had a nice powerful shower. 
So all in all, expect good staff, good service, but not a modern look. If the decor is not important to you but location is... stay here. SF is an amazing city.