Designed by Karl Fischer himself, this beautiful building is home to one of the hottest residences in Chelsea. Pulling from its rich heritage, the Slate residency employs a classic vibe with modern amenities. The 165 West 18th Street building (aka Slate Condominiums) is located in Chelsea between Sixth Avenue and Seventh Avenue. This 12-story elevator building has 29 residential units and was built in 2007.