Seneca, OR Public Records
Seneca is an incorporated city in Grant County, Oregon, with an estimated population of 162 (U.S. Census Bureau, July 2024 estimate) and 0.8 square miles of land.
🏢 Seneca City Hall
Seneca's 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.
📇 Seneca Contact on File
| Government | City Of Seneca |
| Contact listed | City Recorder/manager |
| Mailing address | PO Box 208, Seneca, OR 97873 |
| Phone | Not stated |
| Official website | Not stated |
| 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. Call or check the official website before you visit.
↑ Back to record types🏛️ County Courthouse & Records Office for Seneca
Seneca is in Grant 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.
📍 Grant County at a Glance
| County | Grant County |
| County population (2024 est.) | 7,093 Source: www2.census.gov ↗ |
⚖️ Grant County Circuit Court (Grant County Courthouse)
| Address | 201 S Humbolt St, Canyon City, OR 97820 |
| Directions | Get directions ↗ |
| Phone | (541) 573-5207 |
| Hours | Not stated |
| Records available | Oregon Circuit Court case records for the county (civil, criminal, family, probate, juvenile, small claims) |
| Official website | courts.oregon.gov |
| Sources | courts.oregon.gov/…/locations.aspx ↗ |
| Last verified | October 17, 2026 |
See the full Grant County records page →
↑ Back to record types📋 Where to Get Records for Seneca
Where to get the most-requested public records for people and property in Seneca, OR:
📋 Seneca 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 | Grant 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) |