Driving north on I-680:

I-680 north towards Sacramento
Take the Sycamore Valley Boulevard exit
Make a right turn onto Sycamore Valley Boulevard
Drive about 2 miles and turn left on Holbrook Drive (a stop-light intersection)
Turn right into first driveway

Driving south on I–680:

I-680 south towards Pleasanton / San Jose
Take the Sycamore Valley Boulevard exit, heading east
Drive about 2 miles and turn left on Holbrook Drive (a stop-light intersection)
Turn right into first driveway