Mt. Diablo Recycling Service will shred household or business documents that are delivered to our center. We shred documents for a minimum of $100.00, which covers up to 500 pounds. Anything over 500 pounds is 20¢ a pound. If you would like to see your documents being shredded or need more information on shredding documents, please call Mt. Diablo Recycling at (925) 682-4518.