Email. Phone. Facebook. Contact Us. Java John’s Coffee House400 West Water StreetDecorah IA 52101(563) 382-5690 javajohncoffee@gmail.com Map HoursMon-Sat 6:30 AM – 3:00 PMSunday 6:30 AM – Noon Reserve a TableIf you would like to reserve a table for your group, call or email us.