Structure Fire in the 1800 Block of W. Diehl Road

NAPERVILLE, Ill. — At 11:30 p.m. on Thursday, July 2, 2026, the Naperville Emergency Communications Center (ECC) received a 911 call for a report of smoke inside a structure on the 1800 block of W Diehl Road. The Naperville ECC immediately dispatched a Full Still assignment consisting of 2 engines, 1 ladder truck, 1 medic unit and 2 battalion commanders. Initial arriving companies completed an incident size-up and noted fire on the roof of the structure. The alarm was immediately upgraded to a General Alarm assignment, adding an engine, a truck, a battalion commander and a heavy rescue. Crews ensured all the occupants had vacated the structure and performed an aggressive offensive fire attack. As the full extent of the fire was determined, the assignment was upgraded to a Box Alarm assignment and later a 2nd Alarm Box. The bulk of the fire had been extinguished at 1 a.m. on July 3. Fire suppression crews continued to overhaul the fire area and extinguish smoldering embers, ensuring the hazard was contained.

The Naperville Fire Department was assisted on the scene by the Naperville Police Department, the Naperville Electric Department, Nicor, the Bolingbrook Fire Department, the Wheaton Fire Department, the Warrenville Fire Protection District, the West Chicago Fire Department, the Aurora Fire Department, the Lisle Woodridge Fire Protection District and Naperville Emergency Management. Damage to the residence and contents was estimated at $8 million. The cause of the fire remains under investigation. The occupancy was deemed uninhabitable due to the extent of fire damage. There were no reported injuries to civilians or firefighters.

About Naperville: Located 28 miles west of Chicago, Naperville, Ill., is home to approximately 150,000 people. This vibrant, thriving city consistently ranks as a top community in the nation in which to live, raise children and retire. The city is home to acclaimed public and parochial schools, the best public library system in the country, an array of healthcare options and an exceptionally low crime rate. Naperville has ready access to a variety of public transportation, housing and employment options. The city’s diversified employer base features high technology firms, retailers and factories, as well as small and home-based businesses. Residents also enjoy world-class parks, diverse worship options, the opportunity to serve on several City boards and commissions, a thriving downtown shopping and dining area, a renowned outdoor history museum known as Naper Settlement and an active civic community. For more information, please visit our website at www.naperville.il.us.