Tigard Chamber Of Commerce Attwell Off Main Share: Apartments Attwell Off Main Visit Website Request Info 12850 SW Ash St. Tigard, OR 97223 503.620.9366 Facebook Instagram Hours: Monday - Saturday 9am-6pm and Sunday 10am-5pm About Map About Attwell Off Main is a modern community in the heart of downtown Tigard. With studios, one, two, and three-bedroom apartments, including six two-story townhomes. Directions In downtown Tigard off of Main street. What's Nearby? Distance: 5 10 15 20 25 50 mi.