A former convenience store clerk who set his store on fire was sentenced to 2½ years in prison on Monday.

Pima County Superior Court Judge Brenden Griffin sentenced Granville Stinnette to prison for the December 2012 fire at a Circle K on North Flowing Wells Road near West Roger Road.

Stinnette, 28, pleaded guilty to both counts on the indictment, which included arson of a structure and criminal damage.

Damage to the store totaled more than $500,000 and caused a more than yearlong closure, Deputy Pima County Attorney Malena Acosta said.

Stinnette’s defense attorney, Vladimir Novokschenov, said his client had accepted responsibility for the fire and noted Stinnette had made sure to set the building ablaze late at night when no one was inside.

Novokschenov also said Stinnette suffers from mental illness and a traumatic brain injury, which contributed to his behavior.

“Mr. Stinnette is mentally ill, which in large part is why he committed the crime,” he said, adding that Stinnette has successfully sought treatment for his illness.

Stinnette was sentenced to 2½ years on each of the two counts, and his sentences will be served concurrently.

Contact reporter Patrick McNamara at 573-4241 or pmcnamara@azstarnet.com. On Twitter @pm929.