The fire appears to have started in the back of the home in the 3800 block of Gilham Road, Eugene Springfield Fire said, and then spread quickly to the attic.
The initial call to 911 came in just before 1:40 p.m.
Firefighters searched the home and found no one inside.
She has been volunteering at the White Bird Dental Clinic in Eugene as she prepares to take her medical exams.
Allen, along with a handful of other fourth-year students from across the country, assist doctors in serving underprivileged patients of Lane County.
In return for their service, the future doctors are provided with an apartment downtown.
But after returning to Eugene on Saturday, Allen discovered her home had been robbed.
A woman arrested in Eugene earlier this month on a probation violation now faces murder charges.
A grand jury indicted Jacquelyn Kelly Novack, 38, of Murphy, Ore., on April 18 on charges of Murder, Tampering with Evidence and Felon in Possession of a Firearm.
The investigation started April 2 with a report in Grants Pass of a missing person who was believed to be deceased, Oregon State Police said.
The Josephine County Major Crimes Team took over the case on April 7 and worked with state police in Roseburg and Springfield on the investigation. State police from Springfield arrested Novak in Eugene April 9 on a probation violation.
The same day, police located human remains at a remote campsite in the Sunny Valley area, between Myrtle Creek and Grants Pass.
David Ray Taylor stands accused of murdering a Eugene man and then taking the man’s car to rob a bank in Mapleton.
The defense maintains that the murder was orchestrated by two accomplices to the robbery, and Taylor was not involved in the death of Celestino Gutierrez, 22, of Eugene.
Police in Roseburg say they arrested a transient who said he was one of them and tried to pull a woman from her vehicle Monday afternoon.
The 118th Boston Marathon had about 36,000 runners, many making the journey to honor those killed and injured in last year’s tragic bombing.
Yoncalla's own Lisa Frasieur qualified for the race in the Eugene Marathon back in July.
"There was a lot of healing going on. Today, going as well as it did, I'm just glad I was a part of it. And I think it will help this town move on,” said Frasieur.
A Eugene man died Sunday night after state police say he was crushed by a log that was rolling in the surf at a Florence beach.
Witnesses said the tide rushed in at about 6 p.m., knocking an elderly woman onto the sand. Officials said the Eugene man was trying to help his family member up when the receding water pushed the log on top of him.
Lane County Jail officials said they are no longer holding inmates booked on Immigration and Customs Enforcement (or ICE) detainers, unless they have a court order or warrant.
A 25-year-old man suffered only minor injuries after he fell asleep at the wheen and rolled his car, state police said.