http://www.saultdda.com/ Lee Brown, Director 105 Arlington St. Sault Ste. Marie, MI 49783 PHONE: (906) 635-6973 FAX: (906) 635-6974 The Sault Ste. Marie Downtown Development Authority was established in 1980. City fathers saw the need to help spur economic growth and development in downtown Sault.  Functioning for over 25 years, the DDA has created 2 Tax Increment Finance Districts.  These districts have been used to finance many infrastructure projects in the downtown.  The DDA has also instituted a Principal Shopping District (2mil tax assessment) to help market and promote the downtown area. The Downtown Development Authority maintains an extensive website at: DDA Newsletter