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About MCSO

The Multnomah County Sheriff’s Office (MCSO) is committed to creating safe and thriving communities for everyone. 

MCSO proudly serve all of Multnomah County, provides corrections, law enforcement and civil services to the most populous county in the state of Oregon. Our patrol areas include all of unincorporated Multnomah County and four contract cities: Fairview, Maywood Park, Troutdale and Wood Village. Unincorporated areas include Sauvie Island, the West Hills and the Columbia River Gorge. MCSO is also responsible for keeping safe 110 river miles, the largest water aware of any county sheriff’s office in the state.  

MCSO operates two corrections facilities, the Multnomah County Detention Center and the Multnomah County Inverness Jail. The Sheriff’s Office provides secure transportation of adults in custody between jail and court and ensures smooth operations at many county buildings, such as the Central Courthouse located in downtown Portland.

The Multnomah County Sheriff’s Office has evolved to not only meet the needs of our communities but is at the forefront of innovation in public safety work. Core to our mission and values is trust. We value the strong relationships we have with the diverse communities we serve. By treating everyone with dignity and respect, we enhance the safety and wellbeing of all community members. With an annual operating budget of $190 million, we take our role in the community seriously, and we have pride in offering premier programming, exemplary support and the finest public safety services.


A safe and thriving community for everyone.


To support all community members through exemplary public safety service.

Values & principles

Without exception, employees of this agency will protect the rights of our communities and adhere to the following values and principles:

  • We practice unwavering compassion
  • We serve everyone with dignity and respect
  • We believe in fair treatment, access, opportunity, and advancement for all people
  • We hold ourselves and each other accountable as we strive for continuous improvement
  • We have the courage to do what is right and just
  • We believe all voices should be heard and valued
  • We are dedicated to an environment of safety, trust, and belonging in which all of our employees can thrive

Organizational chart

The Multnomah County Sheriff’s Office is comprised of four divisions: Law Enforcement, Corrections, Agency Services and Business Services. View an organizational chart of the sheriff’s office. It will be updated as necessary.

  • Portrait photo of Sheriff Nicole Morrisey O'Donnell.

    Meet the Sheriff

    Sheriff Nicole Morrisey O’Donnell is proud to serve as the first female sheriff of Multnomah County.

  • Shoulder patch is visible on a sheriff's office uniform.

    Equity in Public Safety

    This information is intended to address community questions on the overall quality and equity of policing.

  • Deputy doing a check of the dorm.


    Policy and procedure serve as the foundation for all MCSO operations and services.