Any person who is not a duly commissioned, qualified, and acting notary public who does any of the acts prohibited by Section 8227.1 in relation to any document or instrument affecting title to, placing an encumbrance on, or placing an interest secured by a mortgage or deed of trust on, real property consisting of a single-family residence containing not more than four dwelling units, is guilty of a felony.
Source:
Section 8227.3, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=GOV§ionNum=8227.3..