Stage 1 Fire Restrictions, effective Aug. 12, 2025, for unincorporated western Boulder County.

Visit the Boulder County Ballot Measures website for information about possible 2025 ballot measures.

Boulder County government offices closed Monday, Sept. 1, in observance of Labor Day.

Sheriff Jobs and Volunteer Opportunities
Sheriff's Deputies

Sheriff Jobs and Volunteer Opportunities

Join Boulder County Sheriff’s Office

Text “JoinBCSO” to 720 – 702 – 8042 to apply OR to chat to a recruiter
Apply for a position within the Sheriff’s Office
Boulder County is an Equal Opportunity Employer

We select qualified candidates for many different job openings within the Sheriff’s Office. We are constantly evaluating, refining, and implementing stringent selection procedures and conducting comprehensive background investigations to ensure the selection of the most qualified employees, both paid and volunteer positions.

Hiring

Beyond competitive pay, Boulder County offers benefits including medical, dental, vision, life insurance, voluntary benefits, contributions to Colorado PERA, wellness programs, paid vacation and holidays, an RTD EcoPass, tuition assistance, and more!

  • POST certified applicants from another state can apply for a provisional certificate. For additional information visit the Colorado POST website.

The following are examples but not all inclusive:

  • Illegal use of controlled substances, as defined by Colorado statute, in the past three years. The use of marijuana and/or psilocybin mushrooms is not permitted once hired.
  • An applicant’s criminal history, including arrests and convictions, will be reviewed. Chronic or recent criminal violations may negatively impact an applicant’s potential for employment, particularly arrests and convictions that are not representative of the Sheriff’s Office mission and values.
  • For Sworn Positions: Any conviction of a crime as described in § 24-31-305(1.5)(a),(b) C.R.S., will preclude employment with the Sheriff’s Office.
  • Negative driving history may disqualify an applicant from employment for positions that require a valid driver’s license, e.g. multiple at fault accidents, DUI, and license suspensions.
  • The hiring process is designed to identify the best candidates. Applicants may be tested using different methods including: a written test, interview, polygraph, psychological assessment, physical fitness assessment, medical evaluation, and drug screening. The testing and application process can last multiple weeks. The hiring process will vary depending upon the position.

Additional Information

All information provided or discovered through the selection process becomes the property of the Boulder County Sheriff’s Office and will be kept confidential. Applicants may be eliminated from further consideration at any stage in the process. The results of the testing and investigation are confidential and will not be disclosed to the applicant.

Personnel Supervisor Alyssa Raker
Dispatch, Firefighters, Medical Staff, Law Enforcement Technicians, and other civilian staff.
Email: araker@bouldercounty.gov
Phone: 720-864-6652

Sergeant Matt Trenka
Jail Deputy, Patrol Deputy, Crew Bosses, and Detention Specialists
Email: mtrenka@bouldercounty.gov
Phone: 720 564- 2833

Commander Brian Jones
Academy Cadet, Jail Deputy, Animal Protection, Reserve Deputy, Seasonal Rangers, and other miscellaneous, partially-sworn positions.
Email: bjones@bouldercounty.gov
Phone: 303-441-1681

Sergeant Sam Yaffe
Cadet Program
Email: syaffe@bouldercounty.gov
Phone: 303-441-3981

Victim Assistance Program
Victim Assistance Program
Email: SheriffVictimAssisstance@bouldercounty.gov
Phone: 303-441-3656

Contact

Sheriff Personnel
Email: sheriffpersonnel@bouldercounty.gov
Phone: 720-564-2833

Submit Your Information

Have more questions? Our recruiters are available Monday-Thursday 7a.m. – 5 p.m. and happy to answer any questions you have.
Simply submit your information below and we’ll reach out as soon as we’re available!

Contact Us

Sheriff's Headquarters

5600 Flatiron Parkway
Boulder, CO 80301
Directions
Monday-Friday
8 a.m. to 5 p.m.
Main: 303-441-3600

Email bcso@bouldercounty.gov

Boulder County Jail

3200 Airport Road
Boulder, CO 80301
Directions
Monday-Friday
8 a.m. to 5 p.m.
Main: 303-441-4600

Communications Center

3280 Airport Road
Boulder, CO 80301
Directions
Non-Emergency:
303-441-4444

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