The children in the home were not injured, Boise police said, and have not been in the custody of Jodi Renee Bassett since the Dec. 19, 2012, fire.
Bassett, 35, was arrested late Wednesday at her Garden City home. She is charged with first-degree arson and three counts of felony injury to a child for the incident at the home on South Yorktown Way in East Boise.
Neighbors called 911 in the early morning on Dec. 19 when they heard explosions coming from Bassetts house. Firefighters on the scene said they saw windows blown out, the door to the garage bulging and a living room wall knocked off a foundation. The first crews narrowly escaped one explosion, according to a press release on the arrest Thursday.
The house was engulfed in fire, but all of the children were able to get out of the house safely, police said. Police provided no other information on the children, including their ages and connection to Bassett.
Fire investigators called the blaze suspicious, and police say they have evidence that implicates Bassett in the crime.
Bassett was booked into the Ada County Jail and was arraigned Thursday afternoon.
A warrant for Bassetts arrest was issued Wednesday, almost 10 months after the fire. Details on the length of the investigation werent immediately available Thursday evening. But Boise police spokeswoman Lynn Hightower said the process including the arson investigation and review by prosecutors took time to do properly.