Halfway Houses of Westchester Inc Description Halfway Houses of Westchester Inc (Hawthorne House) offers mental health treatment and substance abuse treatment in White Plains, New York.Website http://treatment-facilities.healthgrove.com/l/8542/Halfway-Houses-of-Westchester-Inc#Contact&Phone 914 946-0949Address 14 Longview AvenueCity White PlainsNY10605Categories All, Health & Well-Being, Social Services November 6, 2017 5:18 pm | by TanyaDirectory Categories: All, Health & Well-Being, and Social Services.