I come to Valencia every year for a conference, and will definitely stay at Barracart again!
The room:
This is more of an apartment-hotel style place than her personal home dwelling. You can access both the front door and your room with a unique code that only you have -- and that changes with every guest. The room itself was bright, clean and very comfortable. The bathroom was spacious, as was the kitchen, and everything seemed almost brand new. The bed was super comfortable, and they changed the sheets every 3 days (if you wanted)
Hospitality:
Olga met me as I got out of the cab out on the street. She answered any question I had, and was very helpful sharing maps and tips on what restaurants were in the neighborhood. I know not everyone wants this sort of attention -- she made sure to ask if I wanted to hear more, which I appreciated. My flight leaving Valencia was at 6am, and she arranged a cab to pick me up the day before. She was also very responsive on WhatsApp.
Location:
You're near the beach/port, but you're not that close to the downtown area. This is neither good nor bad; it's just something to know. Public transport is readily available -- there's a stop right outside the airbnb and the network of trams and trains connects just down the block.