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Washington County Fair Complex - OR Tickets
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- OR (Westside Commons) Venue Page | Hillsboro, OR
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About Washington County Fair Complex - OR
Welcome to Westside Commons, formerly the Washington County Fair Complex, a premier multi-venue campus in Hillsboro, Oregon. Located at 801 NE 34th Ave, this campus includes Wingspan Event & Conference Center, the Cloverleaf Building, Friendship Square, and Festival Grounds. Whether you’re attending the annual Washington County Fair, Oregon International Airshow happenings nearby, or a conference, you’ll find flexible spaces, ample parking, and convenient transit. We’ve got you covered with venue details, seating options, parking, transportation, and nearby lodging and dining to help you secure your seats with ease.
Venue highlights include flexible layouts and capacity details across Wingspan, Cloverleaf, Friendship Square, and Festival Grounds. On-site parking information is provided for guests. The campus sits along the TriMet MAX Blue & Red Lines (Hillsboro Airport / Fairgrounds) and is served by local bus routes. Ready to plan your visit? Explore the Wingspan, Cloverleaf, Friendship Square, and Festival Grounds for your next event, trade show, or conference in the Portland metro area.
Good to know
Seating, Parking & Venue Information
- Address: 801 NE 34th Ave, Hillsboro, OR 97124.
- Venue type: Westside Commons, a multi-venue campus including Wingspan Event & Conference Center, Cloverleaf Building, Friendship Square, and Festival Grounds.
- Capacity/seating: Entire Expo Hall ~39,250 square feet of free-span space; Largest Ballroom seats up to 1,008; Expo Hall can accommodate about 203 booths in a 10x10 grid.
- Seating/chart: Layout & Seating Diagrams are available (PDFs) via Planning > Layouts & Seating Diagrams.
- Parking: On-site paid parking, $10 per vehicle.
- Transit: Directly on TriMet MAX Blue & Red Lines (Hillsboro Airport / Fairgrounds) and served by bus lines 46 and 48.
- Notable events hosted: Home of the annual Washington County Fair; venue hosts many other events and conferences; Oregon International Airshow is held nearby at Hillsboro Airport; Wingspan opened in 2020.
- Renamed: The Washington County Fair Complex was renamed Westside Commons in 2019.
- Nearby hotels: A range of Hillsboro-Beaverton hotels (e.g., Courtyard by Marriott Portland Hillsboro at 3050 NE Stucki Pl); hotel listings are provided in Westside Commons’ Accommodation/Hotel List.