Undercliff Mental Health Center is a small mental health facility established in 1910 as the Meriden Sanatorium. In 1918 it became the first tuberculosis sanatorium in the country to exclusively treat children. In 1954 all children at the facility were transferred to the Seaside Sanitorium and the adults were transferred to various mental health facilities in the area. The hospital then reopened as Undercliff Hospital and primarily doing rehabilitation work. Finally, in 1967 it changed names for the last time to the Undercliff Mental Health Center. The center closed in 1976 but was reopened a year later after ownership was transferred from the Commissioner of Mental Heath to the Commissioner of Child and Youth services, which continues to operate the center to this day.