Police Agencies
The City of Lake Oswego Police Department works cooperatively with other local police departments. The City of Lake Oswego is immediately adjacent to West Linn, Portland, Tigard and Tualatin as well as unincorporated Multnomah and Clackamas Counties.
Clackamas County Sheriff's Office
West Linn Police Department
Portland Police Bureau
Tualatin Police Department
Tigard Police Department
Oregon State Police