According to our records, this business is located at 2501 E Piedmont Rd. in Marietta (in Cobb County), Georgia 30062, the location GPS coordinates are: 34.0110672 (latitude), -84.4911494 (longitude). GMAC Mortgage is categorized under Mortgage Bankers and Correspondents, Nec (SIC code 6162). Current estimates show that the unit has a sales volume of $995,000 and staff of approximately 5 people. You can contact the company by phone at (770) 575-5840.