About Benton County

Population 95,000 residents
County Seat Corvallis
Named After Thomas Hart Benton
Area 679 square miles
Established 1847

Benton County, Oregon, is located in the heart of the Willamette Valley in the western part of the state, including approximately 679 square miles. Benton County seat is Corvallis, which is also the largest city and home to Oregon State University, a major land-grant research institution. As of recent estimates, Benton County has a population of approximately 95,000 residents, making it a mid-sized county with a diverse economy centered on education, research, technology, and agriculture. Benton County was established on December 23, 1847, and named after Thomas Hart Benton, a U.S. Senator from Missouri who advocated for westward expansion. Geographically, Benton County is bounded by the Coast Range to the west and the Cascade Range to the east, with the Willamette River flowing through its center. Major landmarks include the McDonald-Dunn Research Forest, Marys Peak (the highest point in the Coast Range at 4,097 feet), and the historic Philomath area. Benton County is known for its progressive politics, strong environmental stewardship, and vibrant academic community. Key county offices include Benton County Clerk located at 120 NW 4th Street in Corvallis, Benton County Assessor's Office at 4077 SW Research Way in Corvallis, and Benton County Recorder, which handles property records and is part of the County Clerk's office. Benton County's economy benefits significantly from Oregon State University's presence, creating a unique blend of college-town culture and agricultural heritage that defines Benton County's character.

  • Major landmarks include the McDonald-Dunn Research Forest, Marys Peak (the highest point in the Coast Range at 4,097 feet), and the historic Philomath area.

Court Records & Case Information

The Benton County Circuit Court serves Benton County and is located at 120 NW 4th St in Corvallis. The court handles civil, criminal, family, and probate cases for the area. Court records and case filings can be requested in person or through the Oregon online court portal.

The Benton County Circuit Court in Benton County has jurisdiction over all civil and criminal cases arising within the county, including family law, probate, small claims, and felony proceedings. Appeals from lower courts are also heard at this level. Case records are maintained by the this county Clerk of Courts and are accessible to the public under Oregon open records law.

Sheriff, Police & Law Enforcement

Law Enforcement & Arrests

  • Under Oregon's public records law, ORS 192.311 to 192.478, arrest records are generally public information and can be requested from the arresting agency or the Sheriff's Office.
  • Written requests should specify the records sought and may be subject to fees for copying and staff time.
  • Mugshots and booking photos are typically included in jail records and may be available through the jail roster or by specific public records request.
  • Processing times vary, but agencies must acknowledge requests within a reasonable timeframe and provide records or cite specific exemptions.

Criminal, Arrest & Jail Records

Courts & Case Records

  • Court case information can be searched through the Oregon Judicial Department's online portal, Oregon eCourt Case Information (OECI), accessible at courts.oregon.gov, which provides statewide access to case records.

Property & Public Records

  • Certified copies of recorded documents can be requested in person, by mail, or sometimes online, with fees typically ranging from $5 for the first page plus $1 for each additional page.

Vital Records

Vital records for this county include birth, death, marriage, and divorce certificates issued under state vital statistics law.

  • Processing time is typically 1-2 weeks for mail requests and immediate to same-day for in-person requests if the record is readily available.
  • Death certificates can also be obtained from Benton County Health Department with the same fee structure and processing times.
  • The marriage license fee is approximately $60, and there is no waiting period or blood test required in Oregon.
  • Marriage certificates (certified copies of the recorded marriage) can be obtained from the same office for approximately $25.
  • Divorce records (dissolution of marriage decrees) are court records maintained by Benton County Circuit Court and must be requested from the Court Clerk at the same address.

Business & Licensing

Business records, licenses, and permits for this county are processed by the County Clerk and local government offices.

  • Permit records, including building permits, electrical permits, plumbing permits, and mechanical permits, are public records and can be searched or requested through the Community Development office.
  • The Corvallis Area Chamber of Commerce, accessible at corvallischamber.com, provides business directories and resources for companies operating in Benton County, though it is not a government agency.

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in Benton County, Oregon?
To search for someone recently arrested in Benton County, Oregon, you can use the Benton County Jail inmate lookup tool. The jail is located at 190 NW 4th Street, Corvallis, OR 97330. You can also contact the Benton County Sheriff's Office for assistance at (541) 766-6858. The online inmate search tool provides information about current detainees, including booking details and charges.
Mugshots or booking photos in Benton County, Oregon, can be obtained from the Benton County Sheriff's Office. They may provide access to these images through their official website or upon request. For online access, you can visit the Benton County Sheriff's Office website and use their inmate search feature to view available booking photos.
To obtain a criminal background check in Benton County, Oregon, you need to contact the Oregon State Police, as they handle background checks statewide. You can request a background check through their Criminal Justice Information Services (CJIS) Division. Locally, you may also inquire with the Benton County Sheriff's Office for guidance on the process and any additional local requirements.
To look up sex offenders in Benton County, Oregon, you can use the Oregon Sex Offender Inquiry System. This registry is maintained by the Oregon State Police and provides information on registered sex offenders throughout the state. You can access the database online to search for offenders by name, location, or other criteria specific to Benton County.
You can register to vote in Benton County through the Oregon Secretary of State's online portal at oregonvotes.gov, in person at the Benton County Clerk's Elections Office at 120 NW 4th Street in Corvallis, or by mail using a voter registration form. Oregon offers same-day registration through Election Day, but you must register by the 21st day before an election to receive your ballot by mail automatically. All Oregon elections are conducted by mail, and registered voters receive ballots automatically at their registered address approximately 14-20 days before each election, with postage-paid return envelopes and numerous official drop box locations throughout the county.
Property records in Benton County can be searched through the Benton County Clerk's Office (Recording Division) online at co.benton.or.us, where you can access recorded deeds, mortgages, liens, and other property documents. The this county Assessor's Office at 4077 SW Research Way provides a free online property information search with a GIS parcel viewer showing ownership, assessed values, tax amounts, property characteristics, and aerial maps. You can search by owner name, address, or tax lot number, and many documents are available for viewing or downloading online, with certified copies available for a fee by contacting the Recorder's office at (541) 766-6831.
Birth and death certificates for events occurring in Benton County can be requested from the Benton County Health Department, Vital Records Office, at 4077 SW Research Way, Building C, Corvallis, phone (541) 766-6835, or from the Oregon State Center for Health Statistics. The fee is approximately $25 per certified copy, and you must provide valid photo identification and proof of eligibility (such as being the person named, a family member, or legal representative) as required by ORS 432.120 and 432.146. Processing time is typically 1-2 weeks for mail requests and same-day for in-person visits if the record is available; you can also order online through VitalChek at oregon.gov/oha/PH/BIRTHDEATHCERTIFICATES for expedited service with additional fees.
Most Oregon business entities are registered with the Oregon Secretary of State and can be searched free online at egov.sos.state.or.us/br, which provides information on corporations, LLCs, partnerships, and assumed business names (DBAs). Local business licenses and permits may be issued by individual cities (Corvallis, Philomath, Adair Village) or by Benton County for specific activities, which can be verified by contacting the Benton County Clerk at (541) 766-6831 or the respective city offices. Building permits and land use approvals are handled by Benton County Community Development at (541) 766-6819, and these records are public and searchable upon request.

Nearby Counties

Lane County OR Linn County OR Polk County OR Lincoln County OR