For lawful validity in California, the living trust document need to be signed via the grantor(s). Notarization is extremely encouraged and sometimes critical for practical reasons, as a lot of money establishments and county recorders involve notarized documents for subsequent asset transfers, specifically for actual estate. California Probate Code Section https://california-living-trust-f01111.livebloggs.com/44901700/not-known-details-about-california-living-trust-help-online