I would highly recommend Gary Spinks with Master Home Improvements. He has done both small and big jobs at our house (including a major bathroom remodel) and does excellent work. His phone number is ###-###-####. He lives in Grayson and does work all around Lawrenceville, Lilburn, Snellville (where I am) and surrounding areas. I'm sure he'd be happy to do work for you in Stone Mountain.
I know Gary and his family personally - we are in Sunday school together and his wife and I were co-leaders for Vacation Bible school last summer. He is a man of integrity, friendly and easy to work with. I have recommended him to many of my friends and they have all been happy with the results.