From I-225 Take Exit 4 To Co-83 S/S Parker Rd, Heading South 2 Miles. Use The Left 3 Lanes To Turn Left Onto E Quincy Ave, Heading East 3.5 Miles. Turn Right Onto S Reservoir Rd, Heading South 0.3 Miles. ***Security Gate At The North Entrance Requires A Transponder For Access; So Enter From The South (Reservoir Road)***Turn Left Onto S Ensenada St, Heading North. 4400 Is The 8Th Building On The Right And Shares A Driveway With 4410, So Please Park On The Street So The Neighbors Can Get In & Out.