It is against Oregon law for state and local law enforcement or public agencies (state and local government offices) in the state of Oregon to participate directly or indirectly in immigration enforcement without a judicial warrant.

https://www.doj.state.or.us/oregon-department-of-justice/civil-rights/sanctuary-promise/ Sanctuary Promise Hotline (1-844-924-STAY / 1-844-6-AMPARO)

The Reddit conversation https://www.reddit.com/r/Portland/comments/1ibto9s/pps_and_ice_raids/