I really liked the place. Very clean and everything is new and shiny. The kitchen is fully equipped with all you need to prepare a meal or bring your food and eat there.
I haven't used the treadmill, but it is nice to have it to do some exercise if it rains outside.
As stated in the description, the kids make noise early in the morning (three of the days at 6 am). It didn't bother me since I woke up at that time.
The location is really nice, very residential, safe and close to many restaurants, pharmacies and groceries stores.
I would definitely stay again when on business in SF.