About Washington County

Population 600,000 residents
County Seat Hillsboro

Washington County is located in the northwestern portion of Oregon, directly west of Portland in the fertile Tualatin Valley. Washington County Seat is Hillsboro, Oregon's fifth-largest city and home to major technology employers. Washington County was established on July 5, 1843, making it one of the original four districts created by Oregon's Provisional Government. With a population exceeding 600,000 residents as of recent census estimates, Washington County is Oregon's second-most populous county, covering approximately 726 square miles.

Washington County's scene ranges from the forested Coast Range foothills in the west to the urbanized Tualatin Valley in the east. Major cities include Beaverton, Hillsboro, Tigard, Tualatin, and Sherwood. Washington County is known for its Silicon Forest, hosting Intel's largest operations and numerous other technology companies.

Washington County government operates from the Public Services Building at 155 N First Avenue in Hillsboro, Oregon 97124. Washington County Clerk's Office maintains land records and is located in the same building, while the County Clerk's office handles marriage licenses, elections, and various other public records. Washington County Assessor's Office, responsible for property tax assessments, operates from 3700 SW Murray Boulevard in Beaverton.

Notable landmarks include the Jackson Bottom Wetlands Preserve, Tualatin Hills Nature Park, and historic Old Scotch Church built in 1878. Washington County's agricultural heritage remains visible in the western areas, particularly wine country around Forest Grove and Gaston.

Sheriff, Police & Law Enforcement

Sheriff & Law Enforcement

Washington County Sheriff's Office is responsible for maintaining law and order in Washington County's unincorporated areas. This office manages Washington County jail, processes arrests, and maintains criminal records. The Sheriff's Office is also involved in various community programs and specialized divisions, such as the Search and Rescue team and the Tactical Negotiations Unit, which are tailored to address specific needs within Washington County.

Police Departments

Washington County is served by several law enforcement agencies, including Washington County Sheriff's Office and municipal police departments. The Hillsboro Police Department, Beaverton Police Department, and Tigard Police Department are among the key city departments. These agencies have jurisdiction within their respective cities and collaborate on major crimes and regional safety initiatives, making sure of full law enforcement coverage across Washington County.

Law Enforcement & Arrests

Washington County Sheriff's Office is the primary law enforcement agency for unincorporated areas and provides countywide services including Washington County jail, civil process, and court security. The Sheriff's Office is headquartered at 215 SW Adams Avenue in Hillsboro, Oregon 97123, and can be contacted through the office’s website. The official website is sheriff.co.washington.or.us. Washington County operates Washington County Jail located at 215 SW Adams Avenue, which houses both pretrial detainees and sentenced inmates.

  • Inmate lookup services are available online through the Sheriff's Office website, where the public can search by name or booking number to view current custody status, charges, booking date, and bond information.
  • To request arrest records, citizens may submit written requests to the Sheriff's Office or the specific police department that made the arrest.
  • Requests should include the subject's name, date of birth if known, and approximate date of arrest.
  • Most agencies charge nominal copying fees as permitted by statute.
  • The Sheriff's Office provides an online public records request portal.

Booking photos (mugshots) are typically included in the online roster. Municipal police departments within Washington County include Beaverton Police Department, Hillsboro Police Department, Tigard Police Department, Tualatin Police Department, Sherwood Police Department, Cornelius Police Department, Forest Grove Police Department, and Durham Police Department, each serving their respective cities. Arrest records in Washington County are public records subject to Oregon's Public Records Law, codified in ORS 192.311 to 192.478.

Washington County does not have tribal police jurisdictions within its boundaries, though specialized agencies like TriMet Transit Police operate within Washington County's public transportation system.

Criminal, Arrest & Jail Records

Criminal Records

The criminal records system in Washington County includes felony, misdemeanor, traffic violations, and the sex offender registry. Washington County Sheriff's Office and local police departments maintain these records. Residents can conduct background checks through the Oregon State Police, which provides full criminal history reports. The Oregon Bureau of Investigation offers additional resources for background checks and criminal record inquiries, making sure of residents have access to necessary public safety information.

Arrest Records

Arrest records in Washington County are maintained by Washington County Sheriff's Office. These records can be requested by residents and attorneys through formal applications, adhering to the Oregon Public Records Law. A typical arrest record in Washington County includes the individual's personal information, details of the arrest, charges filed, and the arresting agency. Requests for these records can be made in person or through the sheriff's website.

Jail & Inmate Records

Washington County Jail, located in Hillsboro, is the primary detention facility for Washington County. The booking process involves fingerprinting, photographing, and collecting personal information from arrestees. Inmate information can be accessed through Washington County's online inmate lookup tool. Visitation rules are specific to this facility, requiring visitors to schedule appointments in advance. The bond and bail process follows Oregon state guidelines, allowing for the posting of bail through cash, bond, or property, depending on the charges.

Mugshots & Booking Photos

Mugshots in Washington County are taken and retained by Washington County Sheriff's Office during the booking process. These booking photos are part of the public record and can be accessed through the sheriff's online portal. While Oregon does not have specific mugshot removal laws, individuals can request the removal of their mugshots from third-party websites under certain conditions, often involving legal representation.

Courts & Case Records

Washington County is served by Washington County Circuit Court, which is part of Oregon's Fourth Judicial District. The main courthouse is located at 155 N First Avenue, Hillsboro, Oregon 97124, phone. The Circuit Court has general jurisdiction over all civil, criminal, domestic relations, probate, juvenile, and small claims matters within Washington County. Oregon Circuit Courts handle cases involving amounts over $10,000, felonies, divorces, adoptions, and appeals from Justice Court and municipal courts. The court also maintains a branch facility at the Justice Center.

  • Certified copies of court documents require a fee of $5 for the first page and $1 for each additional page, plus certification fees.
  • Washington County Justice Court handles violations, traffic infractions, and small claims under $10,000.
  • The Circuit Court Clerk's office accepts in-person record requests during business hours Monday through Friday, 8:00 AM to 5:00 PM.
  • Many case documents can be accessed through the Oregon Judicial Department's File and Serve system for registered attorneys and parties.

Property & Public Records

Washington County Department of Assessment and Taxation - Recording Division is the official recorder of land records and is located at 155 N First Avenue, Suite 140, Hillsboro, Oregon 97124, phone. The Recording Division maintains all real property documents including warranty deeds, quitclaim deeds, mortgages, deeds of trust, satisfaction of liens, easements, covenants, restrictions, subdivision plats, and survey maps.

  • Certified copies of recorded documents cost $5 for the first page and $1 for each additional page, plus $5 for certification.
  • Washington County Treasurer, also at the Beaverton Assessment and Taxation office, collects property taxes and provides tax payment history.
  • Recording fees for new documents are $85 for the first page and $5 for each additional page for most instruments.

Washington County provides free online access to recorded documents through its official search portal at recording.co.washington.or.us, where users can search by grantor/grantee name, document type, recording date, or instrument number. Images of recorded documents from 1978 to present are available for free viewing and printing. Washington County Assessor's Office, located at 3700 SW Murray Boulevard, Building D, Beaverton, Oregon 97005, phone, maintains property tax assessment records.

The Assessor provides a full online Geographic Information System (GIS) at ormap.net/WashingtonCounty and property assessment search at co.Washington County.or.us/AssessmentTaxation/PropertyInformation, allowing free searches by address, tax account number, or map and tax lot. These systems display assessed values, property characteristics, sales history, and tax information.

Vital Records

Vital records in Washington County, Oregon, are managed at both Washington County and state levels. Birth and death certificates for events occurring in Washington County may be obtained from Washington County Health and Human Services Vital Records Office, located at 155 N First Avenue, Suite 270, Hillsboro, Oregon 97124, phone. Birth certificates cost $25 for the first certified copy and $25 for each additional copy ordered at the same time. Death certificates have the same fee structure.

  • Processing time is typically 1-2 weeks for mail requests and immediate for walk-in requests if the record is on file.
  • Eligible requestors include the registrant (if of legal age), parents, legal guardians, children, grandparents, siblings, and legal representatives.
  • Marriage licenses cost $60 and are valid for 60 days.
  • Certified copies of marriage records cost $25.
  • Oregon vital records statutes are codified in ORS 432.005 through 432.995, establishing confidentiality protections and eligible requestor requirements.

Applicants must provide valid photo identification and demonstrate a direct and tangible interest in the record as required by Oregon law. Marriage licenses are issued by Washington County Clerk's Office at 155 N First Avenue, Suite 130, Hillsboro, Oregon 97124, phone. The mandatory three-day waiting period has been eliminated in Oregon.

Divorce records (dissolution of marriage decrees) are maintained by the Circuit Court Clerk, not the vital records office. For vital records more than a few years old or for statewide searches, the Oregon Center for Health Statistics maintains all vital records for the state at 800 NE Oregon Street, Suite 205, Portland, Oregon 97232, and offers online ordering through VitalChek at oregon.gov/oha/vitalrecords.

Business & Licensing

Business licensing and registration in Washington County involves multiple jurisdictions and agencies. Local business licenses are issued by individual cities within Washington County rather than by Washington County itself; businesses must contact Beaverton, Hillsboro, Tigard, Tualatin, Sherwood, or other municipal business licensing offices depending on their location. Washington County Clerk's Office at 155 N First Avenue, Suite 130, Hillsboro, Oregon 97124, phone, registers assumed business names (DBAs) and trade names for businesses operating in Washington County.

  • DBA registration costs approximately $50 and must be renewed every two years.
  • This database includes business names, registered agents, principal addresses, and status information.

The Oregon Secretary of State Corporation Division is the primary agency for business entity formation and registration, maintaining all corporations, LLCs, partnerships, and nonprofit organizations doing business in Oregon. The statewide business registry can be searched free of charge at egov.sos.state.or.us/br/pkg_web_name_srch_inq.login. Oregon has no state sales tax, so sales tax permits are not required.

Professional and occupational licenses are issued by various state boards and agencies depending on the profession. Building permits, land use permits, and zoning compliance are handled by Washington County Department of Land Use and Transportation, located at 155 N First Avenue, Hillsboro, phone. The Hillsboro Chamber of Commerce (hillchamber.org) and Beaverton Area Chamber of Commerce (beaverton.org) serve as resources for business development and networking.

Commercial construction exceeding certain thresholds requires both county building permits and city approval if within urban growth boundaries.

Elections & Voter Records

Elections in Washington County are administered by Washington County Elections Division, part of the County Clerk's office, located at 3700 SW Murray Boulevard, Building D, Beaverton, Oregon 97005. The Elections Division can be reached at and maintains a website at washingtoncountyor.gov/elections. Oregon conducts all elections entirely by mail, with no traditional polling places; instead, Washington County operates multiple official ballot drop box locations throughout Washington County where voters can deposit completed ballots until 8:00 PM on Election Day.

  • All registered voters automatically receive ballots by mail approximately 18-20 days before each election.
  • Citizens can request these records under Oregon's Public Records Law (ORS 192.311-192.478).
  • All Washington County voters receive mail-in ballots automatically; no separate absentee ballot request is necessary.
  • Voters who need replacement ballots can request them through the Elections Division.

Voter registration in Washington County can be completed online through the Oregon Secretary of State's website at oregonvotes.gov, by mail using a voter registration card, or in person at the Elections office. Oregon offers automatic voter registration through the DMV and same-day registration through Election Day for most elections. The registration deadline is 21 days before an election for online and mail registration.

Washington County had approximately 71% voter turnout in the November 2024 general election, exceeding the statewide average and reflecting strong civic engagement. Election records that are public in Washington County include the voter registration list (available for purchase for political purposes under ORS 247.955), campaign finance reports filed with the Oregon Secretary of State Elections Division, candidate filing information, precinct-level election results, and absentee/vote-by-mail statistics. The next major election is November 3, 2026, featuring U.S.

House and Senate midterm races, Oregon gubernatorial and state legislative elections, and various local measures and offices. Ballot tracking is available through the Oregon Voter Registration database where voters can confirm their ballot was received and counted. Washington County provides excellent election transparency, with real-time election results available on election night through Washington County website, full voter guides published before each election, and accessible public records regarding campaign contributions and expenditures.

Economy & Demographics

Washington County has evolved into one of Oregon's primary economic engines, with a diverse economy anchored by the high-tech industry, agriculture, and professional services. Washington County is globally recognized as part of Oregon's Silicon Forest, with Intel Corporation serving as the largest private employer, operating multiple campuses in Hillsboro with over 20,000 employees.

  • The median household income in Washington County is approximately $85,000, significantly above the state average, reflecting the concentration of high-wage technology jobs.

Other major technology employers include Nike World Headquarters in Beaverton (though technically just inside Washington County line), Tektronix, Electro Scientific Industries, and numerous semiconductor and software companies. Key economic sectors include semiconductor manufacturing, athletic apparel and footwear design, software development, healthcare (Tuality Health Alliance, Kaiser Permanente), and specialty agriculture. The western portions of Washington County remain agricultural, with emphasis on nursery products, wine grapes, berries, and Christmas trees.

Washington County ranks among Oregon's top counties for nursery and greenhouse production. The unemployment rate typically runs below state and national averages, hovering around 3-4% in recent years. Major economic development initiatives include expansion of the Hillsboro Airport employment area, development of the South Hillsboro area as a mixed-use innovation district, and continuing expansion of high-tech manufacturing facilities.

The Sunset Corridor, along Highway 26, represents one of the most concentrated technology manufacturing zones in North America. Retail and commercial development remains strong in urban areas like Beaverton, Tigard, and Tigard Triangle. Washington County's proximity to Portland International Airport and Port of Portland facilities enhances its logistics and distribution capabilities.

Transparency Score

Court Records: Yes: Online via OECI | Property: Yes: Free Search (Deeds & Assessor) | Arrest/Jail: Yes: Online Roster | Vital Records: Limited: In-Person or Mail | Business: Yes: Online (State Registry) | Elections: Yes: Full Online Access | Overall Score: 9/10, Washington County provides exceptional digital access to public records with online portals for property, court, jail, and election information, ranking among Oregon's most transparent counties.

Official Government Resources

Frequently Asked Questions

How can I search for someone recently arrested in Washington County, Oregon?
To search for someone recently arrested in Washington County, Oregon, you can use the Washington County Jail Inmate Lookup tool available on the the county Sheriff's Office website. The jail facility is known as the Washington County Jail, located in Hillsboro. The online tool allows you to search by name or booking number to find current inmates and their booking information.
Mugshots or booking photos in Washington County, Oregon, can be accessed through the Washington County Sheriff's Office. The Sheriff's Office provides an online portal where you can view booking photos of individuals currently in custody. For older records, you may need to submit a public records request directly to the Sheriff's Office.
To obtain a criminal background check in Washington County, Oregon, you should contact the Oregon State Police, which handles background checks through the Criminal Justice Information Services (CJIS) Division. You can request a background check online or by mail. The process involves submitting fingerprints and paying a fee, and results will include criminal history information specific to Oregon.
You can look up sex offenders in Washington County, Oregon, by accessing 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 search by name, address, or geographic location to find offenders in Washington County.
You can register to vote in Washington County through the Oregon Secretary of State's online portal at oregonvotes.gov, in person at the Washington County Elections Division at 3700 SW Murray Boulevard in Beaverton, or by mail using a voter registration card. Oregon's registration deadline is 21 days before Election Day for most registration methods, though the state offers same-day registration options. All registered the area voters automatically receive mail-in ballots for every election, as Oregon conducts all voting by mail with no traditional polling places.
Property records in Washington County can be searched online for free through two main systems: the Recording Division's database at recording.co.washington.or.us for deeds, mortgages, liens, and other recorded documents from 1978 forward, and the Assessor's property search at co.Washington.or.us/AssessmentTaxation/PropertyInformation for tax assessments, property characteristics, and sales history. The County Clerk is located at 155 N First Avenue, Suite 140, Hillsboro, phone (503) 846-8741, and the Assessor's Office is at 3700 SW Murray Boulevard, Beaverton, phone (503) 846-8801. Certified copies of documents can be requested for statutory fees.
Birth and death certificates for events in Washington County are available from the Washington County Health and Human Services Vital Records Office at 155 N First Avenue, Suite 270, Hillsboro, phone (503) 846-4888. Certified copies cost $25 each and are available immediately for walk-in requests or within 1-2 weeks by mail. You must provide valid photo ID and prove a direct and tangible interest (such as being the person named, a parent, child, sibling, or legal representative). Alternatively, you can order through the Oregon Center for Health Statistics in Portland or online via VitalChek at oregon.gov/oha/vitalrecords.
Business licenses in Washington County are issued by individual cities rather than the county, so contact the city business licensing office where the business operates (Beaverton, Hillsboro, Tigard, etc.). The Washington County Clerk's Office at 155 N First Avenue, Suite 130, Hillsboro, phone (503) 846-8751, handles assumed business name (DBA) registrations. For business entity searches including corporations and LLCs, use the Oregon Secretary of State's free online business registry at egov.sos.state.or.us/br, which provides information on all businesses registered in Oregon including those in Washington County.

Cities & Towns in Washington County

Nearby Counties

Multnomah County OR Clackamas County OR Yamhill County OR Columbia County OR Clatsop County OR Tillamook County OR