1001 Doubleday Avenue presents an exceptional opportunity to acquire a ±406,345 SF industrial property in the heart of Ontario, California. Designed to meet the demands of modern logistics, the property includes ±12,180 SF of office space, ±12,694 SF mezzanine, and a 32’ clear height for optimized warehousing and distribution. The facility features 35 dock-high doors, 1 ground-level door, and 100% concrete truck courts, ensuring efficient loading and maneuverability. Equipped with 2,000 amps of 277/480-volt power and ESFR sprinkler system upgrade underway, this building delivers the infrastructure needed for high-volume operations. Its strategic positioning within a Foreign Trade Zone and proximity to Ontario International Airport, major freeways (I-10, I-15, SR-60), and Southern California’s ports provides unparalleled regional connectivity. This property offers investors and owner-users a rare chance to secure a state-of-the-art asset in one of the most sought-after industrial markets in the U.S.