Clackamas County Jail

Addressing Your Mail All letters to adults in custody will be addressed in the following manner: ADULT IN CUSTODY'S NAME (State Identification Number - SID) c/o Clackamas County Jail 2206 Kaen Road Oregon City, OR 97045 Each adult in custody's State Identification Number can be found on the Clackamas County Sheriff's Office Web site, using the Jail population search engine. All incoming mail must have a return address: FIRST AND LAST NAME COMPLETE STREET ADDRESS CITY, STATE ZIP CODE