The T.I.L.L. Building is an Historic Building located in Chelsea that recently won the 2009 "Timmy" Award for Excellence for Best Historic Rehabilitation Project Utilizing Low-Income Housing Tax Credits – Large.

This mixed-use building is owned by T.I.L.L. Inc; a Community Health Care organization that occupies the first two floors. There are (23) units of affordable housing located on the three upper floors and a small café on the street level that is open to the public.