From Benicia:
Take Hwy 680 S
Exit Gregory Ln
(Changes to Grayson Rd)
Left onto Cortsen Rd to top of hill

From Pittsburg:
Take Hwy 4 W
Exit Hwy 680 S
Exit Gregory Ln 
(Changes to Grayson Rd)
Left onto Cortsen Rd to top of hill

From Walnut Creek:
Take Hwy 680 N
Exit PH Contra Costa Blvd
Left onto Gregory Ln 
(Changes to Grayson Rd)
Left Cortsen Rd to top of hill

From Richmond:
Take Hwy 4 E
Exit Alhambra Ave
Right onto Alhambra Ave 
(Changes to Pleasant Hill Rd)
Right onto Taylor Blvd
Left onto Grayson Rd
Right Cortsen Rd to top of hill

From Orinda:
Take Hwy 24 E
Exit North Pleasant Hill Rd 
Right onto Pleasant Hill Rd under Freeway
Left onto Taylor Blvd
Right onto Grayson Rd
Right onto Cortsen Rd to top of hill