From the north:
Exit  Highway 101 at  Main St. and continue, passing Ventura Ave. and the Mission.  See map below.

From the south:
Exit Highway 101 at California St.  Continue to Main St, and turn left.

There are a limited number of parking spaces on Main St. and there are public parking lots off California St, Oak St.and Chestnut St.   There is a parking structure between California and Chestnut.  Enter on Santa Clara.

From Google Maps.
Click Here to get directions from Google