The city's real estate has left us with some precarious addresses. Browse some of Manhattan's 1/2 Houses.

“Looking down a narrow lane at children on the porch of 9 ½ Jane Street, 1915.” The three-story house is accessed by an alley to the west of no. 9 Jane Street, a four-story brick townhouse built in 1844 for tinsmith Walter H. Mead. The rear house was built in 1854.