Positioned within the highly desirable Concours Plaza business park, 3333 Concours St., Building 4 presents a rare opportunity to acquire a high image, two story professional office building in the heart of Ontarios thriving Airport Area submarket. Constructed in 2005, the property features modern architectural design, quality interior build out, and abundant natural light, creating an ideal environment for professional office, medical, or owner user occupancy. The building offers a flexible layout with private offices, conference areas, and support space, making it suitable for a wide range of users. Strategically located just west of Haven Avenue, the property provides immediate access to the I 10, I 15, and 210 freeways, and is within minutes of Ontario International Airport, major business hubs, hotels, and retail amenities. This prime location supports both long term investment stability and strong user demand. With its combination of institutional quality design, excellent accessibility, and premier business park setting, this asset represents an exceptional opportunity for investors and owner users seeking a presence in one of the Inland Empires most dynamic commercial corridors.