An accused serial arsonist may face more charges and a potential lengthy prison sentence for targeting bathrooms in the Central Whidbey area last year, according to court documents.

The Island County Prosecutor’s Office is seeking to amend charges in Island County Superior Court against 39-year-old Ryan T. Parish related to seven arson fires and explosions from June 24 to Oct. 27 of last year.

The Coupeville marshal staked out the town’s public restrooms last October and caught Parish after he set a roll of toilet paper on fire, according to the police report on the incident.

Prosecutors originally charged Parish, a Langley resident, with two counts of arson in the second degree.

Parish was previously charged with arson following a string of suspicious fires on South Whidbey in 2012, but he was convicted of reckless burning. In that case, a deputy in night-vision goggles nabbed him.

In the new case, the amended charges — if accepted by the judge — would consist of seven counts of arson in the second degree. Parish is accused of starting fires five times at the public restroom on Northwest Alexander Street and twice in a port-a-potty on Sherman Road.

In addition, the amended charges would add a couple of “aggravating circumstances” to each charge.

Specifically, the aggravating factors allege that Parish demonstrated an egregious lack of remorse and that he has an “unscored” criminal history that would result in a sentence being too lenient.

If convicted of the charges, Parish would face from five years and three months to seven years in prison under the standard sentencing range. If a jury finds the aggravating factors exist, a judge could sentence Parish beyond the standard sentencing range.