For legal validity in California, the living trust document needs to be signed with the grantor(s). Notarization is extremely advised and often critical for useful reasons, as many monetary institutions and county recorders have to have notarized documents for subsequent asset transfers, particularly for serious estate. California Probate Code Section https://trusted-living-trust-prep44444.buyoutblog.com/38248798/living-trust-for-small-estates-california-an-overview