Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest and crime counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 24, 2026 and October 9, 2026.
Los Alamos County, New Mexico, has about 20,000 residents (2024 Census Bureau estimate). In New Mexico the public criminal record is the court file, kept by the Clerk of the District Court; the statewide criminal history kept by the New Mexico Department of Public Safety is released only to its subject and to the employers and agencies the law allows. This guide says where each record of a criminal case from Los Alamos County is kept and how it is seen.
This guide covers the court file, the statewide record, local arrest records, the crimes behind the records, the prosecutor, sex offender registry, records requests and common questions.
Related guides: Los Alamos County public records, Los Alamos County arrest records, Los Alamos County warrants, Los Alamos County court records, Los Alamos County police reports, New Mexico arrest records and New Mexico inmate search.
Criminal Cases in the District Court for Los Alamos County
A criminal case from Los Alamos County is filed in the District Court for Los Alamos County or the Magistrate Court, which takes misdemeanors, traffic cases and civil cases up to $10,000; Bernalillo County has the Metropolitan Court instead, and the court file, kept by the Clerk of the District Court, is the record of it that the public may see.
For Los Alamos County, SearchSystems opened and checked the court records page for the county at firstdistrict.nmcourts.gov/about-this-district/court-dockets/los-al... (page title: Los Alamos County Magistrate Court Docket | Los Alamos, NM | First Judicial District), which answered when SearchSystems opened it on September 24, 2026. That page belongs to a lower court, the Magistrate Court, not to the District Court for Los Alamos County.
Statewide, New Mexico Courts Case Lookup is the New Mexico Judiciary's free statewide case search.
The New Mexico Criminal History and Your Own Copy
The statewide criminal history kept by the New Mexico Department of Public Safety is closed to the public in New Mexico: it is released to its subject and to authorized employers and licensing agencies, and a member of the public uses the court's own case index instead.
To see your own record, the route is a fingerprint-based request to the Department of Public Safety. The state page SearchSystems verified for it is at dps.nm.gov/law-enforcement-records-bureau.
Arrest Records Kept Locally in Los Alamos County
Los Alamos reported 5 arrests to the FBI for 2025; how each case ended is in the court file, not in the arresting agency's.
The agencies and their counts, year by year, are in Los Alamos County arrest records.
The Crimes Behind the Records: Los Alamos County in 2025
The one agency in Los Alamos County with all twelve months of 2025 on file reported 12 violent and 59 property crimes to the FBI that year; the same agencies with both 2025 and 2024 complete reported 71 crimes in 2025 against 89 in 2024. Each reported crime is a report on file with the agency that took it, and each arrest that follows is the start of a criminal record.
The full crime section, agency by agency, is on the Los Alamos County public records guide.
The District Attorney for Los Alamos County
The District Attorney decides which arrests in Los Alamos County become charges and files them in the District Court for Los Alamos County or the Magistrate Court; the office answers questions about pending prosecutions, and the case files themselves are court records.
The office's page SearchSystems verified is at nmdas.com/judicial-districts/first-judicial-district (page title: FIRST JUDICIAL DISTRICT | New Mexico Administrative Office of the District Attorneys), phone (505) 827-5000, 2041 Street Address: Santa Fe Law Enforcement Complex 327 Sandoval Street Santa Fe, NM 87501, which answered when SearchSystems opened it on October 9, 2026.
The Sex Offender Registry for Los Alamos County
Registered sex offenders living in Los Alamos County are listed on the New Mexico Sex Offender Registry, run by the New Mexico Department of Public Safety at offenderwatch.com/network/new-mexico. The registry is public and can be searched online; the county sheriff registers them.
Registration itself is done in person with the local agency where the registrant lives: the sheriff's office, or the city police in a city with its own department.
Asking an Agency in Los Alamos County for a Record
An arrest report, a booking record or a local criminal history letter comes from the agency that holds it, not from the court.
Under the Inspection of Public Records Act a county office must answer a request within 15 calendar days, after acknowledging the request within 3 business days, and it may charge copying at no more than $1 a page. The county records request page SearchSystems verified is at losalamosnm.gov/Services/Records-and-Licenses/Inspection-of-Public-... (page title: Request To Inspect Public Records Online Form | Incorporated County of Los Alamos, NM).
Frequently Asked Questions
Are criminal records public in Los Alamos County?
The court files of criminal cases in the District Court for Los Alamos County are public and can be looked up through the court. The statewide criminal history kept by the New Mexico Department of Public Safety is not public; you can get your own. The arrest report itself is released by the agency that made the arrest, under the Inspection of Public Records Act.
Can I search Los Alamos County criminal cases online?
The court records page SearchSystems verified for the county is at firstdistrict.nmcourts.gov (page title: Los Alamos County Magistrate Court Docket | Los Alamos, NM | First Judicial District); it belongs to a lower court, not to the District Court for Los Alamos County. Statewide, New Mexico Courts Case Lookup is the New Mexico Judiciary's free statewide case search.
How do I get my own New Mexico criminal history?
Through a fingerprint-based request to the Department of Public Safety.
Who prosecutes crimes in Los Alamos County?
The District Attorney, reached at (505) 827-5000, which files its cases in the District Court for Los Alamos County or the Magistrate Court.
Is this the official Los Alamos County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.