Make sure to read the description, the loft has no hard walls, but is well explained in the listing. Mary was very accommodating to our difficult travel schedule involving red eye flights both in and out of chicago. She was very friendly and helpful in all manners. Would recommend for single travelers or people who don't mind sharing space.
The outside of the building can look a bit sketchy from the outside upon arriving at 1am, but during the daytime the neighborhood seems completely safe.