Failing to register is a felony in Missouri, and most of the cases we see do not involve someone hiding. They involve a new phone number, a new email or app account, a car that was not reported correctly, or a missed re-registration date. Small updates, missed once, lead to a new felony charge.
These cases are hard to defend once they are filed. The better approach is to understand the duties well enough not to be charged in the first place.
In person
What changes must be reported in person to the Missouri sex offender registry?
Under RSMo 589.414, within three business days you must appear in person before the registration official if any of these change:
- Your name.
- Your residence. Moving to a different county requires notice to both the old and the new registration official.
- Your employment, including volunteer work and internships.
- Your student status.
- The end of any of these, such as leaving a job or school.
The ones people miss
What other changes do I have to report within three business days?
These are the updates behind most of the failure-to-register cases we see.
- A new phone number, including any new form of electronic communication.
- A new email address or app account. Missouri law requires reporting changes to online identifiers.
- Vehicle information, including a car you start driving regularly.
- Temporary residence information, such as an extended stay somewhere else.
Each of these must be reported to the registration official within three business days of the change.
The misunderstanding
Is telling my probation officer the same as updating the registry?
No. This is one of the most common reasons people are charged.
The registry is maintained by the registration official, usually the county sheriff, and the law requires the update to go there. A probation or parole officer knowing about a new job, address, or phone does not satisfy the registration requirement. Report every change to the registration official, keep proof that you did, and if you are also on supervision, tell your officer as well.
The penalty
What is the penalty for failing to register in Missouri?
A felony
Under RSMo 589.425, failing to register is a class E felony, or a class D felony if the underlying offense was among the more serious chapter 566 offenses or involved a child under 14.
Repeat offenses
A second failure-to-register offense is charged at a higher level. A new conviction can also affect probation or parole on the original case.
Missed re-registration deadlines are charged the same way. Keep the dates on your calendar, and keep every receipt or form the registration office gives you.
Changes in the law
Can I get off the Missouri sex offender registry?
It has been difficult, and the law is changing.
Missouri allows a petition for removal under RSMo 589.401, but courts have held that a person who must register under federal law cannot be removed from the Missouri registry. Senate Bill 982, which took effect August 28, 2026, reorganized the registry into tiers and changed the removal process. How courts will apply it is still developing. If you have been told you cannot be removed, it may be worth asking again.
Answers
Registration questions we hear
Do I have to report a new phone number to the sex offender registry in Missouri?
Yes. Under RSMo 589.414, changes to telephone or cellular numbers, including new forms of electronic communication, must be reported to the registration official within three business days.
Do I have to report a new email or social media account?
Yes. Changes to online identifiers must be reported within three business days.
Is telling my probation officer enough?
No. The change must be reported to the registration official, usually the county sheriff. Telling a probation or parole officer does not update the registry.
Is failure to register a felony in Missouri?
Yes. It is a class E felony, or a class D felony depending on the underlying offense, under RSMo 589.425, and repeat offenses are charged at a higher level.
What should I do if I realize I missed an update?
Talk to a lawyer right away about getting compliant and about any exposure from the missed update.
See our sex crime defense page, or call 573-638-8529.
Talk to us
Charged with failing to register?
A failure-to-register charge is a new felony. Call before your first court date.
Attorney advertising. The choice of a lawyer is an important decision and should not be based solely upon advertisements. This article is general information about Missouri registration law, not legal advice, and it does not create an attorney-client relationship. Registration duties can depend on the specific offense and tier.
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