Ralph's upstairs guesthouse is quite the find! You will be extremely happy staying here. He's an awesome host. His Airbnb has everything and more. Their location is the A+++ for Walkability!! Downtown San Carlos, Caltrain etc. There is train noise you don't notice it all when inside, my husband never used his earplugs and he's a very light sleeper. This tastefully decorated guesthouse is spotless with a full kitchen, bedroom + living room TV’s, spacious bedroom and a very cute petite sectional with a pull-out bed. I had my husband take pic of the label; we like to get ourselves one back home :-) Thank you!! I hope to stay in the near future when I’m not scheduled for surgery and can just enjoy the amazing Bay area. You won’t regret booking!!