Contact Us / OST Seattle
Location: We are located just off Interurban Avenue next to the ITT building. The building is a white two story that backs up to the Green River and has 12720 over the door. Parking is located to the side and rear of the building.
Coming from 5 North, exit 156 (Tukwila / 599) and stay to the right onto Interurban Avenue. Turn left at the light after exiting the highway (onto Interurban) and right at the next light onto Gateway Drive. Our building is on the right as you come around the second bend.
Coming from 5 South, take exit 156 (Tukwila / Interurban Avenue) and turn right at the light at the bottom of the ramp (onto Interurban Avenue). Gateway Drive will be a few hundred yards up on the right. Turn right onto Gateway Drive and our building is on the right as you come around the second bend.