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 Ontario’s 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 Empire’s most dynamic commercial corridors.
- Listing Status: Active
- Listing Agent: HELEN G. ZHANG
(lic# 01890497)
of Inland Valleys
- Listing Office: M G R REAL ESTATE
(lic# 01841921)
- CO-Listing Agent: Michael Rademaker
of Citrus Valley
- CO-Listing Office: MGR REAL ESTATE, INC.
(lic# 01841921)
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Based on information from CRISNet MLS as of 3rd October 2026 at 1:23pm. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
