Good location but would stay somewhere else next time
While staying at this hotel we had a problem. From the first night the air condition was so loud that it sounded like a truck idling next to the bed. We let the front desk know and they sent up a man to look at it. We were told they could move us to another room but all the air conditioners in all the rooms sounded like that and that others have complained about it. I had even brought a white noise sound machine with me and the man brought me a fan. The sound machine and fan together didn't drowned out the air conditioner noise (it had a sound that carried over everything else). I ended up having to turn off the air to sleep and then I would get hot and turn it back on but not be able to sleep. I was literally up and down at 3am, 4am, and 5am messing with the AC all three nights we were there!
The room itself is okay, the furniture is older and was in OK condition. The couch and one chair had a few stains on them. The bathroom was pretty clean except for a few hairs I found on the floor. The mini coffee pot wasn't working so they brought me another one.
Our daughter and her husband are going to Washington DC in October and I told her to look for another hotel. All in all I could have overlooked most of it but the AC being so loud made us unhappy with our stay at the State Plaza Hotel.