About Boulder County

County Seat Boulder
Established 1861
Population 330,758 residents
Area 740 square miles

Boulder County, Colorado, is a diverse region spanning approximately 742 square miles in north-central Colorado, stretching from the High Plains to the Continental Divide. Boulder County seat is Boulder, a vibrant city home to the University of Colorado Boulder County and approximately 108,000 residents. Boulder County's total population exceeds 330,000, making it one of Colorado's most populous counties. Boulder County includes a unique blend of urban centers, including Longmont, Lafayette, Louisville, and Erie, alongside mountain communities such as Nederland, Ward, and Jamestown. Major landmarks include the iconic Flatirons rock formations, Rocky Mountain National Park's southern border, the Indian Peaks Wilderness, Brainard Lake Recreation Area, and Boulder County Creek. Established in 1861 as one of Colorado's original 17 counties, Boulder County has evolved from a gold rush mining region to a center of technology, aerospace, environmental research, and higher education. Boulder County is served by several key administrative offices: Boulder County Clerk and Recorder at 1750 33rd Street, Boulder County, CO 80301, handles vital records, elections, and property recording; Boulder County Assessor's Office at 1325 Pearl Street, Boulder County, CO 80302, maintains property valuations and tax assessment records; and various other departments housed in Boulder County Courthouse and administrative buildings throughout Boulder County seat, providing full public services to Everyone.

1750 33rd Street, Boulder County, CO 80301
1325 Pearl Street, Boulder County, CO 80302

Court Records & Case Information

Boulder County Colorado Court is located at 1777 6th Street, Boulder, CO 80302. It is a district court that serves the citizens of Boulder County. It is a trial court of general jurisdiction and handles civil, criminal, family, juvenile, probate, and traffic cases. The court also has a small claims division.

Sheriff, Police & Law Enforcement

Law Enforcement & Arrests

  • § 24-72-203), and requests can be submitted to the arresting agency or the Sheriff's Office.
  • Written requests should specify the individual's name, date of birth, and approximate arrest date.
5600 Flatiron Parkway, Boulder, CO 80301 • Phone: 303-441-4444

Criminal, Arrest & Jail Records

Courts & Case Records

  • The Clerk of Court office accepts in-person, mail, and online requests for court documents.
  • Filing fees vary by case type, with civil filing fees starting around $97 for county court and $230 for district court.
1777 6th Street, Boulder, CO 80302 • Phone: 303-441-3750

Property & Public Records

  • The office provides a free online public records search through their website, allowing users to search the reception database by name, document type, or reception number dating back to the 1860s.
  • Scanned document images are available online for records from 1978 forward; earlier documents require in-person or mail requests.
  • Certified copies cost $2.00 for the first page and $1.00 for each additional page of the same document.
  • Walk-in service is available during business hours, and many documents can be requested by mail or email.
1750 33rd Street, Boulder, CO 80301 • Phone: 303-413-7700
1325 Pearl Street, Boulder, CO 80302 • Phone: 303-441-3530

Vital Records

Vital records for this county include birth, death, marriage, and divorce certificates issued under state vital statistics law.

  • Processing time is typically 3-5 business days for in-person requests at the state office and 4-6 weeks for mail requests.
  • Online ordering is available through VitalChek.com for expedited service with additional fees.
  • The marriage license fee is $30.
3450 Broadway, Boulder, CO 80304 • Phone: 303-441-1100
1750 33rd Street, Boulder County, CO 80301 • Phone: 303-413-7770

Business & Licensing

1750 33rd Street, Boulder, CO 80301 • Phone: 303-413-7700
2045 13th Street, Boulder County, CO 80302 • Phone: 303-441-3930

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in Boulder County, Colorado?
To search for someone recently arrested in Boulder County, Colorado, you can use the Boulder County Jail inmate lookup tool. The facility, officially known as the Jail, provides an online portal where you can search for current inmates by name. You can also contact the jail directly at their phone number for assistance with inmate information.
Mugshots or booking photos in Boulder County, Colorado, can be obtained through the Boulder County Sheriff's Office. They may provide access to these records upon request. Some booking photos might be available through the online inmate search portal provided by the Boulder Jail.
To obtain a criminal background check in Boulder County, Colorado, you should contact the Colorado Bureau of Investigation (CBI). The CBI offers a statewide criminal history check service, which can be accessed online. Locally, you can also inquire with the Boulder County Sheriff's Office for any additional procedures specific to the county.
You can look up sex offenders in Boulder County, Colorado, by accessing the Colorado Sex Offender Registry. This registry is maintained by the Colorado Bureau of Investigation and provides information on registered sex offenders throughout the state, including those residing in Boulder County.
You can register to vote in Boulder County through the Boulder County Clerk and Recorder's Elections Division by visiting the state's online registration portal at GoVoteColorado.gov, where you can register or update your registration information. Colorado offers same-day voter registration, allowing you to register and vote simultaneously at Voter Service and Polling Centers beginning 15 days before any election through Election Day itself. As a universal mail ballot state, all registered voters automatically receive mail ballots for every election, and you can also vote in person at designated Voter Service Centers or use 24-hour ballot drop boxes located throughout the county.
Property records in Boulder County can be searched through the Boulder County Clerk and Recorder's Office website at bouldercounty.gov/clerkrecorder, which offers free online access to recorded documents including deeds, mortgages, liens, and plat maps dating back to the 1860s, with scanned images available from 1978 forward. For property tax information, assessed values, ownership details, and property characteristics, visit the Assessor's Office online parcel search at bouldercounty.gov/property-and-land/assessor. The county also provides a free GIS mapping portal at maps.bouldercounty.org with aerial imagery, parcel boundaries, and zoning information.
Birth and death certificates for events occurring in Boulder County can be requested through the Colorado Department of Public Health and Environment (CDPHE) Vital Records Section, either by mail, in person at their Denver office, or online through VitalChek.com for expedited service. Birth certificates cost $20 for the first copy and death certificates cost $20 each, with processing times of 3-5 business days for in-person requests and 4-6 weeks for mail requests. You must provide valid photo identification and proof of eligibility, as only immediate family members, legal representatives, or individuals with direct legal interest can obtain certified copies under Colorado law (C.R.S. § 25-2-117).
Business records in Boulder County can be accessed through multiple sources: Trade Name (DBA) filings are maintained by the Boulder County Clerk and Recorder's Office at 303-413-7700, while formal business entity records (corporations, LLCs, partnerships) are searchable for free through the Colorado Secretary of State's online business database at sos.state.co.us/biz. For business licenses and permits in unincorporated Boulder County, contact the County's Land Use Department at 303-441-3930; incorporated municipalities issue their own business licenses through their respective city clerk offices. Professional licenses are regulated by Colorado state boards under the Department of Regulatory Agencies (DORA).

Nearby Counties

Jefferson County CO Larimer County CO Weld County CO Broomfield County CO Grand County CO Gilpin County CO