Gwinnett County Courthouse Loading Map.... Gwinnett County Courthouse75 Langley Drive, Lawrenceville, GA 30046 33.951407 -83.993189 Address 75 Langley Drive Lawrenceville GA 30046 United States Upcoming Events No events in this location juliana2020-01-27T13:49:42+00:00 Would like to share this, Choose Your Platform! FacebookTwitterLinkedInEmail