This guide has basic information about. The foreclosure process in California typically takes around 4 to 5 months, a minimum of 111 days from start to finish.The lender must comply with any notice requirements in the loan documents. There is no statutory requirement for a pre-foreclosure demand letter. In California, lenders can foreclose on deeds of trust using a non-judicial foreclosure process or a judicial foreclosure process. Providing over 40 years of trusted experience in the real estate servicing industry, foreclosure and document drawing industries.