Direct links to official Blaine County, Montana public records: courts, criminal, vital, property, business, licenses, and more.
Searching Blaine County: what to expect
Searches in Blaine County run on two layers: a few county-run sources (1 below) and Montana's statewide databases for everything else. No online docket is listed for the county itself; the Montana court records page maps the alternatives, and the clerk fills direct requests. The standout local source is blainecounty-mt.gov, covering the election side. One gap: property records aren't published by the county itself. Use the Montana property records page for those.
Last reviewed: June 04, 2026 · Methodology: all Blaine County record-source URLs verified against the official local and Montana state publishers on the review date. 6 primary .gov / official sources cited below.
Blaine County — Key Numbers (2026)
Population, demographics, and county-seat data for Blaine County, Montana — verified against U.S. Census 2024 estimates.
6,903
Population
Census estimate
2,271
Households
Census estimate
$58,507
Median income
Annual household
$119,400
Median home value
Census ACS
Chinook
County seat
In Montana
Blaine County Records Availability Map
Criminal records
1 source
Court records
2 sources
Wants & warrants
see state portal
Property records
2 sources
Vital records
see state portal
Voter records
2 sources
Professional licenses
1 source
Recorded documents
see state portal
Count of verified official sources per record type. Multiple sources One source Use state portal
Step 1 — Start at the Blaine County clerk/courthouse
For most local records (court cases, property deeds, marriage licenses), the Blaine County clerk's office is the first stop.
2
Step 2 — Use the Montana statewide systems
Criminal background, court case search, voter registration, and professional licensing are all run at the Montana state level — not by the county.
3
Step 3 — Federal sources for federal records
Federal court cases (PACER), federal tax liens (IRS), military records (NPRC), and immigration data (ICE) are all federal — not held by the county.
4
Step 4 — Cross-check before relying on data
Most county portals lag 24-48 hours behind the courthouse. For time-sensitive verification, call the clerk directly.
Five Things People Get Wrong About Blaine County Records
MYTH"Blaine County maintains all criminal records."
FACTCriminal records for Blaine County are held by the Montana state repository, NOT the county. The county sheriff has only the local arrest log.
MYTH"Records sealed in Blaine County are gone everywhere."
FACTSealing removes records from public search but they still exist at the courthouse and may appear in FBI records (Identity History Summary).
MYTH"Free 'instant background' sites have Blaine County data."
FACTOnly the official Montana state repository has verified, current Blaine County data. Free sites often have stale data.
MYTH"The Blaine County assessor's value is what I'll sell my home for."
FACTThe Blaine County assessor's value is for property tax purposes only — usually below market value.
MYTH"All county records older than 50 years are public."
FACTPartially false. Public-records rules vary by record type AND state. Court records and deeds are usually older-public; vital records remain restricted longer (often 75-125 years).
Court case information for Blaine County — dockets, hearing dates, and case lookups. If a link breaks, the office homepage at courts.mt.gov carries the new path.
Court case information for Montana. Juvenile, adoption, and sealed matters are excluded by rule everywhere. Fee waivers and forms usually live on the same court site.
Our Election Department maintains the voters’ registration files for approximately 4,300 voters in eight precincts in Blaine County. Maps of the boundaries are available in the Clerk and Recorder’s Office.
Property research in Blaine County starts here: parcels, assessments, and tax detail. If a link breaks, the office homepage at blainecounty-mt.gov carries the new path.
Official public records resource for Blaine County, Montana. Government sites reorganize often; if a link breaks, the office's homepage will carry the new path. What displays online is usually a subset — the office holds more than it posts.
Montana's professional and occupational license search from the Department of Labor and Industry — verify status and discipline for licensed trades and professions statewide.
Certain information may be available from local law enforcement and other agencies but is not available from Montana Criminal Records. For example, requests for police reports, court transcripts, warrant information and probation/parole information should be directed to the appropriate local law enforcement agency or court.
Montana's list of commercial registered agents on file with the Secretary of State — the parties authorized to accept service for business entities.
Frequently Asked Questions
How do I look up court cases in Blaine County?
Blaine County court cases are searchable through the Mail Address and Phone Numbers portal: https://courts.mt.gov/contactlist. Montana also operates a state-level case lookup through the Montana Courts system. For federal matters, see PACER.
Can I find out if someone is divorced in Montana?
Yes. Search the court case index for the person's name in the county where they lived. Most Montana counties offer free online case-search portals. The state vital records office also issues divorce verifications for a fee.
Does an active warrant show up on a background check in Montana?
Yes. Active warrants in Montana appear on name-based criminal background checks through the Montana Department of Justice system the moment they are entered. Some employers also run a separate NCIC warrant query, which catches federal warrants as well.
How do I run a Montana background check?
Montana background checks are handled by the Montana Department of Justice. Name-based searches are available through the official state portal (per-search fee applies). Fingerprint-based checks — required for licensing, foster care, and many employers — must be submitted through an approved vendor.