Justice Court has jurisdiction over the violations of Minor in Possession of Marijuana (for persons ages 18-20), and for Public Use of Marijuana. There is a presumptive fine of $260 and a one year suspension of the defendant's driver's license.
The Tillamook County Juvenile Department has jurisdiction over marijuana tickets of juveniles (ages 17 and younger).
Oregon Marijuana Law (Oregon State Bar link)
State of Oregon: Recreational Marijuana webpage
This page last updated on April 27, 2016