511 Wilbur Ave, Suite A-1 | Antioch, CA 94509 2,405 SF + 541 SF Mezzanine | Industrial/Warehouse/Flex | For Lease Well-configured warehouse/flex suite in Antioch's Wilbur Avenue industrial corridor. Over 2,400 SF on the ground floor, plus a full mezzanine level as bonus overhead space — with a private office and a full bathroom with shower, a combination rarely found at this size point. Space includes: Warehouse: 2,405 SF on the ground floor with polished concrete, high steel beam ceiling, skylights, and LED high-bay lighting Bonus mezzanine: 541 SF with wood deck flooring — ideal for storage, secondary workspace, or assembly Private office: Built-in wrap-around desk, upper cabinets, vinyl plank flooring, interior window to warehouse floor Full bath: Toilet, vanity, walk-in shower, and upper storage cabinets Grade-level roll-up door Quality multi-tenant complex. No new automotive uses permitted. Convenient access to Highway 4, serving East Contra Costa County and the broader Bay Area. Contact Peter Maclennan, Maclennan Investment Group, Inc. (925) 385-8798 | CA DRE #01801793 | Company DRE #01871809