Real Estate Division. Cobb County Elections & Registration 736 Whitlock Ave. NW, Suite 400 Marietta, GA 30064 770-528-2581 770-528-2519 fax [email protected] Clerk of Court Hours Monday - Friday 8 a.m. - 5 p.m. Phone: 770-794-5400. 1738 County Services Pkwy, 2 nd Floor Marietta, GA 30008 The Health Department must grant approval before a building permit will be issued, and they can be reached at 770-435-7815. Box 649 Marietta, GA 30061-0649; In-Person: Cobb County Board of Elections and Registration Office 736 Whitlock Avenue, Suite 400 Marietta, GA 30064; Email: [email protected] ... Marietta, GA 30090 Main: 770-528-1300. Marietta, GA 30060. It is our goal to provide useful information about our office while giving you the most efficient service to meet your needs. Thank you for taking the time to visit the Cobb County Superior Court Clerkâs new and improved website. Directions. Cobb County Board of Elections and Registration P.O.