Addendum to Advisement, Waiver & Plea Form - Deft. Under 21 Years of Age
San Mateo Superior Court · Adoption
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Last updated July 3, 2026
This form is used when a defendant who is under 21 years old is pleading guilty or no contest to a crime, and it documents that they understand their rights and are choosing to give up their right to a trial. A young person (anyone under 21) charged with a criminal offense would need to complete this form if they decide to plead guilty or no contest in San Mateo County court.
This form has fillable fields — you can complete it directly in the viewer on the right.