I stayed here for a month after relocating to DC. While it isn't super central, it's an extremely close 10 minute walk to the red line metro which can take you most places. Most of the time I just preferred to walk into central part of town which was a nice 20-30 minute walk through quiet row house neighborhoods. Union market, a new food and drink area has recently been established and it's definitely worth checking out near there.
The neighborhood is really nice and quiet and the unit itself is done to perfection. I slept so well on that bed. Check in went smoothly and communication was easy. They invited me up a few times when guests were over which was really kind of them. I always had a nice time.
All the facilities were there for cooking, cleaning, laundry, bedding etc. there wasn't a thing that I needed to do except buy some food for the fridge.
I would totally recommend this place or stay here myself.