Mercer County Board of Social Services Back to Search Mercer County Board of Social Services Categories Government 200 Woolverton Street, PO Box 1450 , Trenton , NJ , 08650 (609) 989-4494 (609) 989-0405 Send Email http://mcboss.org/ Contacts Primary Jeffrey Mascoll Director of Welfare Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone