Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. Every office link on this page was opened and checked against the office's own website at review time.
Custer County is a county in Montana with about 12,000 residents (2024 Census Bureau estimate). Its public records are not in one place: court cases, jail bookings, deeds, property values, vital records and records requests each belong to a different office. This guide names the office that holds each kind of record, links to its own website and gives the phone number and address where the office publishes them. SearchSystems verified 8 county office pages for Custer County, every one opened and checked.
In this guide: Where the records live, Jail and arrests, Court records, County Clerk, Deeds and property, Vital records, County Attorney, Records requests, Statewide sources, More directory links, Cities and towns, Other counties and Questions.
Where Custer County public records live
Each kind of Custer County record is kept by a different office. The list below names the office SearchSystems verified for each one; the sections that follow give its phone, address and hours where the office publishes them.
- Arrests and jail bookings: custercountysheriff.com/inmate-search (details)
- Court cases: custercountymt.gov/emergency-enforcement/justice-court (details)
- County records: custercountymt.gov/services/clerk-recorder (details)
- Deeds and recorded documents: custercountymt.gov/services/clerk-recorder (details)
- Property values and parcels: custercountymt.gov/services/solid-waste-district-landfill (details)
- Birth and death certificates: dphhs.mt.gov/vitalrecords (details)
- Criminal prosecutions: custercountymt.gov/government/county-attorney (details)
- Public records requests: custercountymt.gov/services/clerk-recorder (details)
Arrests, jail and inmate lookups in Custer County
A person arrested in Custer County is booked into the jail, and the booking record (name, charges, bond and the next court date) is public in most cases. The office below is the one SearchSystems verified for jail and inmate information in Custer County.
- Website: custercountysheriff.com/inmate-search (page title: Inmate Search | Custer County Sheriff's Office)
- Phone: 877-654-8463
- Checked: September 24, 2026, the page answered.
Jail rosters usually show the people in custody now. Once a person is released, the case continues in the court records below.
Court records and case lookups in Custer County
Civil, criminal, family, probate and traffic cases filed in Custer County are kept by the clerk of the court that heard them. Many courts offer an online case search; the page below is the one SearchSystems verified for Custer County.
- Website: custercountymt.gov/emergency-enforcement/justice-court (page title: Justice Court)
- Phone: (406) 874-3408
- Address: 1010 Main Street Miles City, MT 59301
- Checked: September 24, 2026, the page answered.
- Statewide court case search: courts.mt.gov
County Clerk of Custer County
The county clerk is the county's record keeper. What the office holds differs by state: in some states it files marriage licenses and vital records, in others deeds, court papers or the meeting records of the governing board. Its own website below says what it holds in Custer County.
- Website: custercountymt.gov/services/clerk-recorder (page title: Clerk Recorder)
- Phone: (406) 874-3343
- Address: 1010 Main Street Miles City, MT 59301
- Checked: September 24, 2026, the page answered.
Deeds, land records and property values in Custer County
Two offices share property records. The recording office files deeds, mortgages, liens and the other documents that affect title to land in Custer County. The assessment office sets the taxable value of each parcel and usually offers a free parcel search by address or owner name.
Recorded documents: Clerk and Recorder
- Website: custercountymt.gov/services/clerk-recorder (page title: Clerk Recorder)
- Phone: (406) 874-3343
- Address: 1010 Main Street Miles City, MT 59301
- Checked: September 24, 2026, the page answered.
Property values: Property Assessment Division
- Website: custercountymt.gov/services/solid-waste-district-landfill (page title: Solid Waste District Landfill)
- Phone: (406) 232-7991
- Checked: October 11, 2026, the page answered.
Birth, death and marriage records in Custer County
Certified copies of birth and death certificates for events in Custer County are issued by the office below. The Montana state vital records office also issues certified copies for any event in the state.
- Website: dphhs.mt.gov/vitalrecords (page title: Vital Records)
- Phone: (406) 444-2685
- Checked: September 24, 2026, the page answered.
- Montana state vital records office: dphhs.mt.gov/vitalrecords/BirthDeathCertificates
County Attorney for Custer County
The County Attorney is the office that prosecutes criminal cases in Custer County. The case files themselves are court records (above); the prosecutor's office handles victim services and questions about pending prosecutions.
- Website: custercountymt.gov/government/county-attorney (page title: County Attorney)
- Phone: (406) 874-3310
- Address: 1010 Main Street Miles City, MT 59301
- Checked: September 24, 2026, the page answered.
Public records requests to Custer County
Every state has a public records law that applies to county offices. A record that is not posted online is requested from the office that holds it. Many counties run one request page for every department; it is listed below when SearchSystems verified one for Custer County.
- Website: custercountymt.gov/services/clerk-recorder (page title: Clerk Recorder)
- Phone: (406) 874-3343
- Address: 1010 Main Street Miles City, MT 59301
- Checked: September 24, 2026, the page answered.
Statewide Montana sources
Some records are kept by the state rather than the county. These are the Montana state offices SearchSystems verified; each link opens the state office's own page.
- Statewide court case search: courts.mt.gov
- State prison inmate locator: offendersearch.mt.gov/conweb
- Sex offender registry: dojmt.gov/sexual-or-violent-offender-registry
- State vital records office: dphhs.mt.gov/vitalrecords/BirthDeathCertificates
- State criminal history records: dojmt.gov/dci-home/background-checks
- Business entity search: biz.sosmt.gov
- Unclaimed property search: revenue.mt.gov/unclaimed-property
More Custer County links from the SearchSystems directory
These links come from the SearchSystems directory for Custer County and were opened again on October 2, 2026. Each one still answers.
- 2024 Election Voter Information (custercountymt.gov)
- Court Administrators Office (courts.mt.gov)
- Custer County Election Administration (custercountymt.gov)
- Montana Court Locator (courts.mt.gov)
- Treasurer (custercountymt.gov)
- Vital Records - Montana: Local History & Genealogy Resource Guide - Research Guides at Library of Congress (guides.loc.gov)
Cities and towns in Custer County
Custer County has 2 incorporated cities and towns (2024 Census Bureau count, population in parentheses). City records such as council minutes, permits, business licenses and police reports are kept by each city; the records on this page are county records whatever the city.
- Miles City (8,407)
- Ismay (21)
Other counties in Montana
SearchSystems has a guide like this one for every county in Montana.
- Beaverhead County
- Big Horn County
- Blaine County
- Broadwater County
- Carbon County
- Carter County
- Cascade County
- Chouteau County
- Daniels County
- Dawson County
- Deer Lodge County
- Fallon County
- Fergus County
- Flathead County
- Gallatin County
- Garfield County
- Glacier County
- Golden Valley County
- Granite County
- Hill County
- Jefferson County
- Judith Basin County
- Lake County
- Lewis and Clark County
- Liberty County
- Lincoln County
- Madison County
- McCone County
- Meagher County
- Mineral County
- Missoula County
- Musselshell County
- Park County
- Petroleum County
- Phillips County
- Pondera County
- Powder River County
- Powell County
- Prairie County
- Ravalli County
- Richland County
- Roosevelt County
- Rosebud County
- Sanders County
- Sheridan County
- Silver Bow County
- Stillwater County
- Sweet Grass County
- Teton County
- Toole County
- Treasure County
- Valley County
- Wheatland County
- Wibaux County
- Yellowstone County
Custer County Arrest Records
The Custer County arrest records guide names the two agencies that report arrests to the FBI here and the 116 arrests the two agencies with every month of 2025 on file reported that year. It also says where a person arrested here is held, how to find out about an arrest and how to get a copy of the report.
Custer County Records Guides
SearchSystems has eight more guides to Custer County, each written from the county's own offices and figures: Custer County warrants (who issues and serves them, where a person arrested on one is held, how to check for one), Custer County inmate search (the custody page of the Custer County Sheriff's Office, the jail numbers and who books people), Custer County criminal records (the court file, the Montana criminal history and the local arrest records), Custer County court records (which court hears what, the case search and who keeps the files), Custer County police reports (which agency holds a report and what the Montana Public Records Act requires), Custer County traffic tickets (which court takes the ticket, who writes them and the driving record), Custer County DUI (the DUI law, the arrest, the court case and the license case) and Custer County property records (deeds, assessed values, permits and evictions).
Frequently Asked Questions
Is this the official Custer County website?
No. SearchSystems.net is an independent public records directory, online since 1997. It links to the official offices listed above; SearchSystems does not hold records, charge for them or take requests.
How do I find out if someone is in jail in Custer County?
Use the jail or inmate page SearchSystems verified for Custer County at custercountysheriff.com/inmate-search, or call 877-654-8463. Rosters usually show the people in custody now; after release, the case continues in the court records.
Where do I look up a court case in Custer County?
The court records page SearchSystems verified for Custer County is at custercountymt.gov, phone (406) 874-3408. A case number finds a case fastest; a name search returns every case with that name.
Who records deeds in Custer County?
The Clerk and Recorder, at custercountymt.gov/services/clerk-recorder. Deeds, mortgages and liens on land in Custer County are filed there.
How do I get a birth or death certificate for Custer County?
From the office SearchSystems verified for Custer County vital records at dphhs.mt.gov/vitalrecords, phone (406) 444-2685, or from the Montana state vital records office.
How do I request a public record from Custer County?
Through the records request page at custercountymt.gov/services/clerk-recorder. A record that is not covered there is requested from the office that holds it.
