Some services offer lockers or other flexible storage options. There are also places that offer free storage in the Portland area.
Both main core service providers offer lockers for short term use. Items can sometimes be stored for specific purposes in the day program, but both places will throw out items left behind after the end of the day or week.
Once you have a reservation, you can keep belongings at shelter in a locker or on your bed. Items will be held for 3 days if you lose your reservation.
Ground Score may offer day storage for belongings. Ask staff at p:ear for more info.
435 NW Glisan St
This city-run storage program provides temporary storage for belongings. Open 7am-8pm. People must check in at least once every 30 days or their property will be thrown out.