Montana, sex offender registry
Search the official Montana sex offender registry, kept by the Montana Department of Justice, then the registration, background check and county sheriff sources that go with it. NSOPW searches every state registry at once.
Start here
Every card below goes to the government office responsible for that record. Use the category buttons to narrow the list.
Criminal history
The Montana Department of Justice search of the Sexual or Violent Offender Registry, kept by its Offender Registration Unit.
Open official site Montana sexual or violent offender registryPolice & jail
One search across every state, territorial and tribal registry, run by the U.S. Department of Justice. Free, no login.
Open official site NSOPW, National Sex Offender Public WebsiteNational
What to do right away if your child is missing: call local police first, then the National Center for Missing and Exploited Children at 1-800-THE-LOST.
Open official site National Center for Missing & Exploited ChildrenCriminal history
The Montana Department of Justice Offender Registration Unit keeps the Sexual or Violent Offender Registry with offender search and notification guidelines; sexual offender line (406) 444-7068.
Open official site Montana Department of Justice Sexual or Violent Offender RegistryCriminal history
Montana Department of Justice search of the state's public criminal history record database. Each search costs $20, paid online, and registered users can sign in for account services.
Open official site Montana Department of Justice, Criminal History Online Public Record SearchCriminal history
Big Horn County, Montana sheriff page with staff contacts, concealed carry forms and links to CrimeGraphics and the Montana Sex Offender Registry.
Open official site Big Horn County Sheriff's OfficeCriminal history
Blaine County Sheriff and Coroner's Office, serving Chinook, Harlem and the rural areas of Blaine County, Montana, with its sexual and violent offenders list, phone (406) 357-3260.
Open official site Blaine County Sheriff and Coroner's OfficeEverything else, organized
1 more Montana source not listed above.
Guide
Operated by Montana Department of Justice
Montana maintains a public, searchable registry where you can look up registered sex offenders by name, address, ZIP code, county, or city. Information is provided by the responsible state agency and is the most authoritative source available.
Guide
The Montana registry typically lets the public search by:
Display rules vary by tier and jurisdiction. Some offenders may not appear publicly under state law. Always verify current status directly with the official registry or local law enforcement.
Guide
Each county sheriff below links to the office's own website or to the sheriff's page on the county website, opened and checked on October 16, 2026. Search the statewide registry above for registered offenders.
1 of 56 Montana counties have no sheriff web page we could confirm, so they are not listed.
Guide
Sex offender registry information is provided to help the public protect themselves and their families. It must not be used to harass, threaten, intimidate, or discriminate against any individual. Misuse may be a criminal offense under state and federal law.
If you have specific safety concerns or believe a registered offender is in violation, contact your local law enforcement agency or the Montana Department of Justice directly.
Record guide
At a glance
More Montana records on this site: Montana public records, Montana Criminal Records, Montana Court Records, Free Background Checks.
Straight answers
Open only the answer you need.
Use the Montana sexual or violent offender registry card at the top of this page, the registry kept by the Montana Department of Justice. NSOPW, run by the U.S. Department of Justice, searches every state registry at once.
Not directly. PublicRecordCenter.com is not a consumer reporting agency under the Fair Credit Reporting Act. Employment, tenant, credit and insurance decisions require a compliant screening provider that follows the FCRA and Montana law.
All states
Every state page lists that state's official sex offender registry sources, each opened and verified.