Town Hall Address 875 Main St. Stone Mountain, GA 30083 United States- DeKalb County Website http://www.stonemountaincity.org/ Tax Collector 404-298-4000 4380 Memorial Drive Ste 100 Decatur, GA 30032 United States Zoning 770-498-8984 875 Main St. Stone Mountain, GA 30083 United States Code Enforcement 770-498-8984 875 Main St. GA, GA 30083 United States Water 770-498-8984 Ext. 134 875 Main St. Stone Mountain, GA 30083 United States Sewer 770-498-8984 Ext. 134 875 Main St. Stone Mountain, GA 30083 United States Town Clerk 770-498-8984 875 Main St. Stone Mountain, GA 30083 United States Public Works 770-498-8984 Ext. 134 875 Main St. Stone Mountain, GA 30083 United States Town Hall Hours 8 to 5; M - F County DeKalb