My loft was very clean and comfortable. Furnishings are a bit spartan but everything you need is there (except coffee which is in an excellent coffee shop literally at the foot of the steps). It's in the city so it's noisy, though it quieted down fairly well at night. It's absolutely safe, with an attentive watch person. Only a few feet from the guard booth is a very nice pub so you can hang out at night even if you don't have the courage to wander around Tijuana in the dark. If it got any closer to the pedestrian bridge it would be on it, so it would be safe to get to even later in the day.
The bathroom was very nice, big, clean, and had nice fluffy towels. It has a very efficient but very small water heater. So if the shower isn't hot enough just turn down the flow a little bit and it will get nice and hot.