How to Find Us

Directions to OSA from South of Portland, via I-5

  1. Merge onto I-5 N toward Portland
  2. Take I-405 exit - exit 299B - on left toward City Center/US-26 W/Beaverton
  3. Merge onto I-405 N via Exit 1A toward US-26 W/Beaverton/City Center
  4. Merge onto US-30 W via Exit 3 on the left toward St. Helens
  5. Take the Vaughn St. exit
  6. Turn slight left onto US-30 W/Columbia River Hwy.
  7. Turn left onto NW 23RD Ave.
  8. Turn LEFT onto NW Pettygrove St.
  9. End at 2228 NW Pettygrove St.

Directions to OSA from North of Portland, via I-5

  1. Merge onto I-5 S toward Portland.
  2. Merge onto I-405 S via Exit 302B toward Beaverton/US-30 W/St. Helens
  3. Merge onto US-30 W via Exit 3 toward N.W. Ind. Area - St. Helens.
  4. Take the Vaughn St. exit.
  5. Turn slight left onto US-30 W/Columbia River Hwy.
  6. Turn LEFT onto NW 23RD Ave.
  7. Turn LEFT onto NW Pettygrove St.
  8. End at 2228 NW Pettygrove St.