Apartment Building, Residential Iowa City, IA – Fire at off campus apartment contained to room of origin by sprinkler system November 13, 2017 viking210 The Iowa City Fire Department is investigating a Saturday morning fire that caused an estimated $20,000 in damage to an Iowa City apartment. According to a press release, firefighters responded to a report of an oven fire at 427 North Dubuque Street at 7:35 a.m., Saturday. The arriving crew found a working fire in an apartment on the 4th floor. The building sprinkler system contained the fire to the room of origin and firefighters were able to extinguish the fire in approximately 20 minutes, the release stated.