Washington County Department of Business and Economic Development Back to Search Washington County Department of Business and Economic Development Categories Government 100 W. Washington St., Ste. 1401 , Hagerstown , MD , 21740 (240) 313-2280 www.washco-md.net/business-development About Government Agency. Contacts Primary Jonathan Horowitz Director Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone
