Cornelius, OR Public Records
Cornelius is an incorporated city in Washington County, Oregon, with an estimated population of 15,369 (U.S. Census Bureau, July 2024 estimate) and 2.3 square miles of land. That is up about 2,634 residents since the 2020 Census base.
🏢 Cornelius City Hall
Cornelius' own city government keeps its local records: council or board meeting minutes, local ordinances and resolutions, local permits and licenses, and its own budget and contracts. Requests for those records go to the city clerk under the Oregon Public Records Law. Birth and death certificates, marriage records, deeds and court files are generally kept by county and state offices rather than by the city; see the offices below.
📇 Cornelius Contact on File
| Government | City Of Cornelius |
| Contact listed | City Manager |
| Mailing address | 1355 N Barlow St, Cornelius, OR 97113 |
| Phone | Not stated |
| Official website | www.ci.cornelius.or.us |
| Source | U.S. Census Bureau, 2022 Census of Governments: Government Units listing ↗ |
This is the mailing address the government reported to the U.S. Census Bureau; it may be a post office box or the office of an elected official rather than a public counter, and the source does not list a phone number. The website was reported by the government and was answering when we last checked. Call or check the official website before you visit.
↑ Back to record types🏛️ County Courthouse & Records Office for Cornelius
Cornelius is in Washington County. In Oregon, deeds, mortgages and other land records are recorded by the County Clerk. Divorce cases in Oregon are heard by the Circuit Court in each county. Wills and estates in Oregon are handled by the Circuit Court in each county.
📍 Washington County at a Glance
| County | Washington County |
| County population (2024 est.) | 611,272 Source: www2.census.gov ↗ |
⚖️ Washington County Circuit Court (Washington County Courthouse)
| Address | 145 NE 2nd Ave, Hillsboro, OR 97124 |
| Directions | Get directions ↗ |
| Phone | (503) 846-8888 |
| Hours | Not stated |
| Records available | Oregon Circuit Court case records for the county (civil, criminal, family, probate, juvenile, small claims) |
| Good to know | Court mailing address: 150 N 1st Ave, MS37, Hillsboro, OR 97124. |
| Official website | courts.oregon.gov |
| Sources | courts.oregon.gov/…/locations.aspx ↗ |
| Last verified | October 17, 2026 |
See the full Washington County records page →
↑ Back to record types📋 Where to Get Records for Cornelius
Where to get the most-requested public records for people and property in Cornelius, OR:
📋 Cornelius Records Guide
| Birth & death certificates | Oregon Health Authority – Center for Health Statistics (Vital Records)Certified birth and death certificates for Oregon are issued by the state vital records office; in some places a county or local office can also issue copies. |
| Deeds & property records | In Oregon, deeds, mortgages and other land records are recorded by the County Clerk. |
| Court cases & divorce | Washington County courthouse. Divorce cases in Oregon are heard by the Circuit Court in each county. |
| Wills & estates | Wills and estates in Oregon are handled by the Circuit Court in each county. |
| State court system | Oregon Judicial Department |
| Sex offender registry | Oregon Sex Offender Registry (Oregon State Police) |