If you had an arrest that did not result in a conviction, you may be able to seal your case under Penal Code section 851.91. A "true" expungement seals arrest and conviction records.Dismissal under PC 1203.4 - external link does not seal the arrest or conviction. That being said, disclose everything. With no convictions you should be good, but your milage may vary depending on how state law is written. California law prohibits employers from asking job applicants about any arrest or detention that did not result in a conviction. California law allows people who were arrested but not convicted to have their arrest records sealed and destroyed as a matter of right. In California, employers are generally prohibited from asking about or considering arrests that did not lead to convictions when making hiring decisions. If a person receives a misdemeanor criminal conviction in California, it will remain on their criminal record until they are 100 years old. Most landlords and employers in Sacramento run background checks to reveal your criminal history.