Section 1203 4

Under california penal code 1203 4 pc an expungement is a petition that a defendant in a criminal case can bring at the conclusion of probation.
Section 1203 4. Applicants must wait for one year after their conviction before applying for expungement penal code 1203 4a. Penal code 1203 4 if you were denied probation you can still obtain an expungement. A every defendant convicted of a misdemeanor and not granted probation and every defendant convicted of an infraction shall at any time after the lapse of one year from the date of pronouncement of judgment if he or she has fully complied with and performed the sentence of the court is not then serving a sentence for any offense and is not under charge of commission of any crime.
If it is in the interest of justice the judge may allow you to file the petition before probation ends. You still cannot be on probation or serving a sentence for any other case. The petition asks the court to allow the defendant to withdraw any plea of guilty or no contest to reenter a plea of not guilty and to dismiss the case.
A 1 in any case in which a defendant has fulfilled the conditions of probation for the entire period of probation or has been discharged prior to the termination of the period of probation or in any other case in which a court in its discretion and the interests of justice determines that a defendant should be granted the relief available under this section the defendant shall. California expungement law penal code section 1203 4 permits someone convicted of a crime to petition the court to re open the case set aside the plea and dismiss the case. Petition for relief under penal code 1203 4 1203 4a information and instructions after successful completion of probation you may petition the court to dismiss the charges under penal code 1203 4.
While california has no process for actual expungement the complete sealing of a criminal conviction many people perhaps incorrectly refer to a section 1203 4 dismissal as an expungement. When a 1203 4 dismissal is granted the court will vacate your conviction and enter a full dismissal in your case.