Rare Comal River fronting property For Sale in downtown New Braunfels, TX. The ADM Mill properties are located at 401 E San Antonio St. The property is comprised of 3 lots totaling 9.76 Acres, and the properties boast over 400' of Comal River frontage directly across from the main public entrance. This is a unique opportunity for re-development in the downtown area, which is already home to many restaurants, bars, antique stores, modern retail, coffee shops, professional offices, and historic buildings. Contact Broker for Pricing.