Los Alamos County Criminal Records

Criminal · Arrest · Court · Sex offender

Use the official court, custody, police-record, and statewide paths for Los Alamos County, New Mexico; jurisdiction limits are explained.

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Los Alamos County public records: common questions

Where to search Los Alamos County records

Los Alamos County, New Mexico court, custody, police, and statewide records are kept in separate systems. Start court research with New Mexico First Judicial District court contacts and Los Alamos District Court location. Check current custody through County detention-center intake, custody, transportation, release, and inmate-program information.

Court casesNew Mexico First Judicial District court contacts and Los Alamos District Court location
Current custodyCounty detention-center intake, custody, transportation, release, and inmate-program information
Statewide recordsUse the New Mexico state-level source described below when available.
Federal recordsFederal court and custody records are outside county systems and require a separate federal search.

Verified local details

These details were drawn from the official sources linked in this guide. Reconfirm addresses, contacts, schedules, fees, and other time-sensitive details with the responsible agency.

Los Alamos County's Municipal Building is at 1000 Central Avenue, Los Alamos, New Mexico 87544, and the county lists 505-662-8333 as its general telephone number.
The county sheriff page identifies Jason Wardlow-Herrera as sheriff, lists a term ending December 31, 2026, and gives 505-662-8028 as the office telephone number.
The county charter assigns general county law enforcement to the Police Department and states that the Sheriff exercises statutory sheriff and peace-officer powers without duplicating duties assigned to the Police Department.
Los Alamos County Municipal Court handles traffic, DWI, animal-control, and other municipal-code violations; the county also operates a Probate Court for uncontested probate matters.
Los Alamos County's Police Department Detention Center manages inmate intake, care, containment, transportation, and release and lists 16 full-time detention officers.
The Los Alamos County District Courthouse is at 2500 Trinity Drive, Suite D, and the First Judicial District lists 505-455-8250 as its telephone number; the courthouse handles matters including felony criminal, civil over $10,000, family, child-support, name-change, and protection-order cases.

Los Alamos County official record-source actions
Record type	Agency or source	Scope	Action	Last checked
Court cases	New Mexico First Judicial District court contacts and Los Alamos District Court location	County or local	Open source	August 10, 2026
Jail and custody	County detention-center intake, custody, transportation, release, and inmate-program information	County or local	Open source	August 10, 2026
Police and incident records	County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction	County or local	Open source	August 10, 2026
Official records	County government homepage, services, public records, IPRA, departments, and elected officials	County or local	Open source	August 10, 2026
Court cases	County municipal and probate court services and jurisdiction descriptions	County or local	Open source	Not yet published

How this guide is maintained: This matrix only republishes government and agency destinations supported by the researched guide or its reviewed county source registry. Page updated August 10, 2026. Agency sites and coverage can change, so confirm current rules with the source. Read our county source-review and correction policy.

This Los Alamos County records guide is organized around the way the information is actually maintained. Begin with the Q&A for the record you need, then use the source map below to confirm a case, custody status, incident report, or statewide search. Los Alamos County has 19,407 residents (2025 estimate). The source map below identifies the relevant local courts and agencies. Offices and online systems change, so confirm details with the agency before relying on a record.

Quick facts

County-equivalent identity: 35-028
Population: 19,407 residents (2025 estimate)
Local detail: Los Alamos County's Municipal Building is at 1000 Central Avenue, Los Alamos, New Mexico 87544, and the county lists 505-662-8333 as its general telephone number.
Local detail: The county sheriff page identifies Jason Wardlow-Herrera as sheriff, lists a term ending December 31, 2026, and gives 505-662-8028 as the office telephone number.
Local detail: The county charter assigns general county law enforcement to the Police Department and states that the Sheriff exercises statutory sheriff and peace-officer powers without duplicating duties assigned to the Police Department.
Local detail: Los Alamos County Municipal Court handles traffic, DWI, animal-control, and other municipal-code violations; the county also operates a Probate Court for uncontested probate matters.
Local detail: Los Alamos County's Police Department Detention Center manages inmate intake, care, containment, transportation, and release and lists 16 full-time detention officers.
Local detail: The Los Alamos County District Courthouse is at 2500 Trinity Drive, Suite D, and the First Judicial District lists 505-455-8250 as its telephone number; the courthouse handles matters including felony criminal, civil over $10,000, family, child-support, name-change, and protection-order cases.

What is specific about this local guide

Local detail: Los Alamos County's Municipal Building is at 1000 Central Avenue, Los Alamos, New Mexico 87544, and the county lists 505-662-8333 as its general telephone number.
Local detail: The county sheriff page identifies Jason Wardlow-Herrera as sheriff, lists a term ending December 31, 2026, and gives 505-662-8028 as the office telephone number.
Local detail: The county charter assigns general county law enforcement to the Police Department and states that the Sheriff exercises statutory sheriff and peace-officer powers without duplicating duties assigned to the Police Department.

How can I search Los Alamos County District Court or Magistrate Court records?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How can I search Los Alamos County District Court or Magistrate Court records depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

Which Los Alamos court handles a felony, civil case, family matter, traffic citation, DWI, or municipal-code violation?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. Which Los Alamos court handles a felony, civil case, family matter, traffic citation, DWI, or municipal-code violation depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

How do I contact the Los Alamos County Detention Center about an inmate, release, or transportation?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How do I contact the Los Alamos County Detention Center about an inmate, release, or transportation depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

What is the difference between the Los Alamos County Sheriff and Police Department?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. What is the difference between the Los Alamos County Sheriff and Police Department depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

How can I request Los Alamos County police, sheriff, detention, or other public records under IPRA?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How can I request Los Alamos County police, sheriff, detention, or other public records under IPRA depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

How does Los Alamos County Municipal Court differ from the First Judicial District courts?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How does Los Alamos County Municipal Court differ from the First Judicial District courts depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

How can I distinguish county detention from state, federal, juvenile, tribal, or municipal custody?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How can I distinguish county detention from state, federal, juvenile, tribal, or municipal custody depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

How can I distinguish a booking, warrant, charge, court filing, and final disposition?

For Los Alamos County, start with County government homepage, services, public records, IPRA, departments, and elected officials and County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction, then confirm the filing court or creating agency. How can I distinguish a booking, warrant, charge, court filing, and final disposition depends on the record type and jurisdiction. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

Police, sheriff, and incident records

For police or incident records, use County sheriff duties, contact information, sex-offender registry, and sheriff-police role distinction. The Detention Center page describes operations and programs but does not establish a current daily population or custody-status feed.

Criminal cases in Los Alamos County

Start with New Mexico First Judicial District court contacts and Los Alamos District Court location for the official Los Alamos County court path. County: Los Alamos County operates an incorporated county government with a County Council, Police Department, Sheriff, courts, clerk, assessor, and other county departments. County services and county-code enforcement are distinct from state and federal functions. Court: Los Alamos County is within New Mexico's First Judicial District. The District Court has general jurisdiction, while the county's Magistrate Court handles limited civil, landlord-tenant, misdemeanor, DWI/DUI, and traffic matters. Municipal Court handles municipal-code violations, and Probate Court handles uncontested probate matters.

Jail and custody information for Los Alamos County

For current custody information, start with County detention-center intake, custody, transportation, release, and inmate-program information. The reviewed county and court pages provide services, contacts, and jurisdiction descriptions but not a complete current public inmate roster or individual-case disposition database.

Municipal and local court records

Use County municipal and probate court services and jurisdiction descriptions for a local or municipal court path. Custody: The Los Alamos Police Department Detention Center manages county inmate intake, care, containment, transportation, and release. State prison, federal, juvenile, tribal, and other outside custody are separate. Municipal: Los Alamos County Municipal Court handles traffic, DWI, animal-control, and other municipal-code violations. The county's municipal police and court functions are distinct from the First Judicial District courts and the Sheriff's statutory role.

Statewide sources for New Mexico records

Statewide New Mexico sources are separate from Los Alamos County local records. Do not treat a statewide search as a complete county docket, jail roster, or police-record database.

Cities covered by local record systems

The relevant local courts and agencies may serve different incorporated municipalities, so confirm the filing locality before relying on a record.

Nearby New Mexico records pages

No adjacent county guide is live yet.

Nearby county links will be added after the neighboring pages pass the same source and content review.

Official Los Alamos County and New Mexico record sources

For an official starting point, use County government homepage, services, public records, IPRA, departments, and elected officials. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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Prefer an official source? For an official starting point, use County government homepage, services, public records, IPRA, departments, and elected officials. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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