Firefighters were able to extinguish a fire before it spread inside a house in the 1300 block of Ivy Lane in Crystal Lake Tuesday afternoon. | Photo: Alex Vucha / Lake and McHenry County Scanner

Investigators are working to determine the cause of a fire that caused approximately $100,000 to a home in Crystal Lake and left it uninhabitable Tuesday afternoon.

The Crystal Lake Fire Rescue Department responded around 1:08 p.m. Tuesday to the 1300 block of Ivy Lane in Crystal Lake.

Firefighters arrived at the two-story, single-family home within six minutes.

The crew found a fire in a bedroom on the second floor, according to Crystal Lake Fire Chief Paul DeRaedt.

Firefighters were able to extinguish a fire before it spread inside a house in the 1300 block of Ivy Lane in Crystal Lake Tuesday afternoon. | Photo: Tyler Tobolt / Lake and McHenry County Scanner

The home’s smoke detectors had activated and notified the only occupant inside of the fire.

The occupant escaped without injury and was able to call 911.

Firefighters were able to contain the fire in the bedroom, DeRaedt said.

The home sustained limited smoke damage on the second floor and water damage during the extinguishment of the fire.

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Firefighters were able to extinguish a fire before it spread inside a house in the 1300 block of Ivy Lane in Crystal Lake Tuesday afternoon. | Photo: Tyler Tobolt / Lake and McHenry County Scanner

The fire was declared under control around 1:31 pm.

The structure was deemed uninhabitable until repairs could be made.

Damage to the structure and contents is estimated at $100,000, DeRaedt said.

There were no injuries to any firefighters or civilians. The American Red Cross is assisting the residents.

The cause of the fire is undetermined and under investigation by Crystal Lake Fire Rescue fire investigators.