From the 215 freeway coming south:
The 215 freeway will merge with the 15 freeway. Take the first exit Winchester and turn right. About a mile down Winchester, merge left and then turn left on Diaz Road. You will see the glass building on the South/east Corner. Turn right immediately into the first driveway.

From the 15 freeway coming south:
Take the Winchester exit and turn right. About a mile down Winchester, merge left and then turn left on Diaz Road. You will see the glass building on the South/east Corner. Turn right immediately into the first driveway.

From the 15 freeway coming north:
After Rancho California Road take the Winchester exit and turn left and go over the freeway. About a mile down Winchester, merge left and then turn left on Diaz Road. You will see the glass building on the South/east Corner. Turn right immediately into the first driveway.