Hi Edwyn, His burial place might be mentioned in his obituary. The San Mateo County Genealogical Society, http://smcgs.org/index_menu.htmlhttp://smcgs.org/index_menu.html has copies of obituaries for a fee.
The San Mateo City Library, cityofsanmateo.org/index.aspx?nid=507 has copies of obituaries for a hefty fee.
His burial location should be filled out on his death certificate. You can obtain an information death certificate from the San Mateo County Clerk, smcare.org/clerk/death.asp . There is a fee. Successful Searching!