- Adoption Records
- Birth Records
- Death Records
- Divorce Records
- Name Change Records
- Naturalization Records
- Marriage and Domestic Partnership Records
How to research adoption records in Oregon, including the Oregon Adoption Registry, and pre-adoption birth records.
Bankruptcy records are not held by Multnomah County. Records of bankruptcies filed by residents of Multnomah County are held by the United States Bankruptcy Court, District of Oregon. Detailed instructions on ordering copies.
How to research birth records in the State or Oregon, including early City of Portland birth records. All birth records have a 100 year access restriction.
Multnomah County does not hold these records. Court Records are available through the Multnomah County Circuit Court, a division of the Oregon Judicial Department. Instructions on ordering copies.
Criminal History Records
Multnomah County does not hold these records. Copies of Criminal Court Records can be ordered through the Multnomah County Circuit Court, a division of the Oregon Judicial Department. General Criminal History Records for Multnomah County residents are held by the Oregon State Police. Requests for criminal histories, including requests as part of a background check, may be requested through their Public Records Unit.
How to research death records, and obtain both certified and non-certified copies. All death records are subject to a 50 year access restriction.
How to research divorce decrees and divorce certificates in Multnomah County. Divorce certificates have a 50 year access restriction.
The Tax Title Program has information about tax-foreclosed properties currently for sale by Multnomah County.
Note: Multnomah County does not keep a comprehensive list of loan foreclosures. Loan foreclosures can be researched property-by-property in the Division of Assessment Recording and Taxation’s public research room.
House and Property History
Some helpful tips on getting started in this faceted area of research. See the link to Property Ownership Information for details on finding information on the current or past owner of a property rather than for information on the house or property itself.
Law Enforcement Records
Including Police Records, links to the Sheriff's Office, and information about criminal history records and traffic tickets.
Marriage and Domestic Partnership Records
How to obtain both certified and non-certified copies of marriage records and copies of domestic partnership records. These records have a 50 year access restriction.
Name Change Records
How to find name change records, as a result of marriage or domestic partnership, divorce, naturalization, or as a result of court petition.
Advice on finding building permits, certificates of occupancy, and land use records.
Property Ownership Information
How to find the owner of a property in Multnomah County. See our section on House and Property History for information on locating records related to the house or property rather than owner.
These records are available at Recording, a division of the Department of Assessment, Recording, and Taxation, and include easements, deeds, mortgages, property titles, and military discharges. Recording documents can be useful when researching House and Property History or Property Ownership Information.