Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 24, 2026 and September 30, 2026.
Happy Valley, Oregon, in Clackamas County, has about 29,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Happy Valley is held at the county jail, run by the Clackamas County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Happy Valley public records, Clackamas County inmate search, Happy Valley arrest records, Happy Valley warrants, Happy Valley criminal records, Happy Valley court records, Oregon arrest records and Oregon inmate search.
Finding Someone in Custody in Happy Valley
A person kept in custody after an arrest in Happy Valley is held at the county jail, run by the Clackamas County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the custody page of the Clackamas County Sheriff's Office at apps.clackamas.us/roster (page title: Roster Application | Warrant Check), phone 503-785-5210, which answered when SearchSystems opened it on September 28, 2026.
Someone booked recently shows on that page; someone cited and released at the scene, or held a few hours at a city station, does not.
The Clackamas County Jail by the Numbers
On an average day in 2023 the jail held about 310 people, down from about 470 in 2019. Its rated capacity in 2023 was 491 beds, and it ran at 64 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Clackamas County has about 426,000 residents (2024 Census Bureau estimate), so the jail holds about 7 people for every 10,000 residents.
Who Books People Into the Clackamas County Jail
The Clackamas County Sheriff's Office and the agencies that report for Lake Oswego, Oregon City, West Linn, Milwaukie, Canby, Sandy and two more cities make the arrests that end in a booking in and around Happy Valley.
The FBI's agency list also places these agencies in Clackamas County: the Clackamas County Liquor Commission (state agency); the Clackamas County State Police (state police).
The Tualatin Police Department and the Portland Police Department are each listed by the FBI across several counties including Clackamas County, so their arrests are not broken out for Clackamas County here.
The largest arrest counts reported to the FBI were the Clackamas County Sheriff's Office's 7,828 for 2025, Oregon City's 812 for 2025 and Milwaukie's 473 for 2025.
Together, the eight agencies in Clackamas County with all twelve months of 2025 on file reported 10,537 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Happy Valley arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Clackamas County serves the sentence in a facility of the Oregon Department of Corrections, whose inmate locator is at oregon.gov/doc/victim-services/pages/offender-search.aspx.
Frequently Asked Questions
How do I find an inmate in Happy Valley?
Look on the custody page of the Clackamas County Sheriff's Office at apps.clackamas.us/roster, or call 503-785-5210. It covers people booked into the county jail.
How many people are in the Clackamas County jail?
About 310 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 491 beds.
What is the phone number for the Clackamas County jail?
503-785-5210, the number on the page of the Clackamas County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Clackamas County go?
To a facility of the Oregon Department of Corrections; its inmate locator is at oregon.gov.
Is this the official Happy Valley website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.