Boulder County Criminal Records

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Use the official court, custody, police-record, and statewide paths for Boulder County, Colorado; jurisdiction limits are explained.

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Searches are compiled from court, county, and statewide public-record sources.

Boulder County public records: common questions

Where to search Boulder County records

Boulder County, Colorado court, custody, police, and statewide records are kept in separate systems. Start court research with Official court locations and court services. Check current custody through Jail operation and inmate information.

Court casesOfficial court locations and court services
Current custodyJail operation and inmate information
Statewide recordsUse the Colorado 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.

County seat: Boulder.
Official county page lists a 2023 population estimate of 328,317.
The county lists ten incorporated municipalities, including Boulder, Longmont, Lafayette, Louisville, Lyons, Nederland, Superior, Erie, Jamestown and Ward.
The Sheriff's Office describes the county as nearly 740 square miles, with roughly 650 square miles of unincorporated area.
The Sheriff's Office has primary law-enforcement authority in unincorporated areas and contracted service in Lyons, Nederland and Superior.
The Boulder County Jail is located at 3200 Airport Road in Boulder and is operated under the statutory responsibility of the Sheriff's Office.

Boulder County official record-source actions
Record type	Agency or source	Scope	Action	Last checked
Court cases	Official court locations and court services	County or local	Open source	August 10, 2026
Jail and custody	Jail operation and inmate information	County or local	Open source	August 10, 2026
Police and incident records	County seat, municipalities and population	County or local	Open source	August 10, 2026
Police and incident records	Municipal and unincorporated boundaries	County or local	Open source	August 10, 2026
Police and incident records	Sheriff law-enforcement jurisdiction and patrol coverage	County or local	Open source	August 10, 2026
Police and incident records	Boulder County official source (bouldercounty.gov)	County or local	Open source	August 10, 2026
Court cases	Boulder County official source (bouldercounty.gov)	County or local	Open source	August 10, 2026
Court cases	Boulder County official source (bouldercounty.gov)	County or local	Open source	August 10, 2026

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.

Records for Boulder County are held by more than one agency. This guide maps the local systems that answer different questions, from court filings and municipal cases to custody, police, and statewide records. Boulder County has 328,560 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: 08-013
Population: 328,560 residents (2025 estimate)
County seat: Boulder.
Local detail: Official county page lists a 2023 population estimate of 328,317.
Local detail: The county lists ten incorporated municipalities, including Boulder, Longmont, Lafayette, Louisville, Lyons, Nederland, Superior, Erie, Jamestown and Ward.
Local detail: The Sheriff's Office describes the county as nearly 740 square miles, with roughly 650 square miles of unincorporated area.
Local detail: The Sheriff's Office has primary law-enforcement authority in unincorporated areas and contracted service in Lyons, Nederland and Superior.
Local detail: The Boulder County Jail is located at 3200 Airport Road in Boulder and is operated under the statutory responsibility of the Sheriff's Office.

What is specific about this local guide

County seat: Boulder.
Local detail: Official county page lists a 2023 population estimate of 328,317.
Local detail: The county lists ten incorporated municipalities, including Boulder, Longmont, Lafayette, Louisville, Lyons, Nederland, Superior, Erie, Jamestown and Ward.

How do I determine whether a Boulder County address is incorporated or unincorporated?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. How do I determine whether a Boulder County address is incorporated or unincorporated depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

Which agency holds a Boulder County incident or arrest report?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. Which agency holds a Boulder County incident or arrest report depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

How do I request Boulder County Jail records, booking information or an arrest photo?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. How do I request Boulder County Jail records, booking information or an arrest photo depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

Which court handles a Boulder County felony, misdemeanor or traffic case?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. Which court handles a Boulder County felony, misdemeanor or traffic case depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

How do I find Boulder County court records or request a transcript?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. How do I find Boulder County court records or request a transcript depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

What areas receive direct or contracted service from the Boulder County Sheriff's Office?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. What areas receive direct or contracted service from the Boulder County Sheriff's Office depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

How do Boulder County municipal courts differ from County Court?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. How do Boulder County municipal courts differ from County Court depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

How do I request a Boulder County 911 recording or CAD record?

For Boulder County, start with County seat, municipalities and population and Municipal and unincorporated boundaries, then confirm the filing court or creating agency. How do I request a Boulder County 911 recording or CAD record depends on the record type and jurisdiction. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

Boulder County criminal and court records

Start with Official court locations and court services for the official Boulder County court path. Felony, misdemeanor, municipal, and traffic matters may use different custodians.

Municipal courts and nearby local records

Use County seat, municipalities and population for a local or municipal court path. Confirm the filing locality before relying on a case search.

Boulder County jail and custody information

For current custody information, start with Jail operation and inmate information. Boulder County Sheriff's records do not include investigative reports held by municipal police departments or Colorado State Patrol.

Police and incident records

For police or incident records, use Sheriff law-enforcement jurisdiction and patrol coverage. Records may be restricted, redacted or delayed under Colorado public-records law and protections for juveniles and other sensitive information.

Colorado statewide record sources

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

Cities and local search areas

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

Nearby Colorado county 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 Boulder County and Colorado record sources

For an official starting point, use Official court locations and court services. 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 Official court locations and court services. Confirm current access rules, fees, contacts, and jurisdiction with the responsible agency.

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