Washington County is Oregon's second most populous county with approximately 617,000 residents, forming the western half of the Portland metro. Beaverton, Hillsboro, Tigard, Tualatin, Sherwood, and Forest Grove are its primary communities. The county seat is Hillsboro — also the location of Intel's largest U.S. campus, which with its supplier network anchors the Silicon Forest technology corridor that defines the county's employment character.
Two search challenges dominate Washington County. First, some Beaverton addresses in the Sunset Corridor carry "Portland" postal designations despite being firmly in Washington County — routing those addresses to Multnomah Circuit Court returns nothing because the records are in Washington County Circuit Court. Second, the Intel and Nike workforces produce above-average address turnover: layoff cycles, contractor rotations, and corporate relocations mean a two-year-old Beaverton or Hillsboro address for a tech-sector subject may already be outdated. OJD eCourt at ojd.state.or.us covers Washington County Circuit Court (20th Judicial District) in the same statewide search as all other Oregon circuits. For broader Oregon and tri-county context, see our Oregon state guide.
Key takeaways
- Washington County has approximately 617,000 residents (U.S. Census Bureau, 2023 ACS) — Oregon's second most populous county; Hillsboro is the county seat.
- OJD eCourt at ojd.state.or.us covers Washington County Circuit Court in the statewide search alongside all 27 Oregon circuit districts — no county pre-selection required.
- Some Beaverton addresses carry "Portland" postal labels despite being in Washington County — ZIP code confirmation (Beaverton 97005-97008, Hillsboro 97123-97124) is required before routing any Portland-labeled address to a court.
- Intel and Nike workforce address turnover is above average — a Washington County address for a tech-sector subject should be treated as potentially outdated within 12-18 months of any employment change.
Washington County quick facts
- Population estimate (2023): approximately 617,000 (U.S. Census Bureau, 2023 ACS)
- County seat: Hillsboro
- Largest city: Beaverton (est. pop. 99,000)
- State: Oregon
- Primary court: Washington County Circuit Court (20th Judicial District)
Population estimates from the U.S. Census Bureau.
How to search Washington County records
Confirm the county by ZIP before routing any Portland-labeled address
The most common Washington County search error is routing a Beaverton or Sunset Corridor address to Multnomah Circuit Court because the database shows "Portland, OR" as the city. The postal designation reflects the post office that delivers the mail — it has no relationship to county jurisdiction, courts, or government services. Properties in Beaverton ZIP codes 97005, 97006, 97007, and 97008 are in Washington County regardless of how the city label appears in a database. A Multnomah Circuit Court search for a Washington County address returns nothing — not because no record exists, but because the search is in the wrong county. ZIP code confirmation takes 30 seconds through the USPS ZIP lookup or the Washington County Assessor portal and prevents wasted search time. Washington County Circuit Court is the correct destination for all of these addresses. Our court record search guide covers Oregon's tri-county portal structure.
Account for tech-sector address churn when searching for Intel or Nike workforce subjects
Intel's Ronler Acres campus in Hillsboro is one of the largest semiconductor manufacturing facilities in the world and its employee count exceeds 20,000. Nike's world headquarters in Beaverton employs a similar number. Both companies have substantial contractor workforces that cycle more rapidly than permanent employees, and both have experienced significant layoff events in recent years. For any subject with Intel, Nike, or broader Silicon Forest employment history, treating address records as potentially outdated within 12-18 months of any employment change is the appropriate default. Prior California, Texas, or Arizona addresses are common in Washington County — many Silicon Forest workers relocated from those states for employment. Running the aggregator address chain before OJD eCourt establishes the prior-state picture alongside the current Washington County record. Our find someone by name and city guide covers how to build a prior-state address chain before portal searches.
Apply name-variant awareness for Hillsboro's Indian and East Asian professional community
Hillsboro's Intel campus and the broader Silicon Forest corridor have attracted a large Indian-American, Taiwanese-American, and East Asian professional community. Hillsboro has one of the higher concentrations of Indian and East Asian professionals of any mid-sized Oregon city. Indian surnames may appear under multiple romanization forms across different records systems — the same individual may appear as "Muralidharan" in one system and "Murali" in another depending on what was used during name entry. South Indian names in particular often involve long names that get shortened or rearranged. Running both the full legal name and common shortened forms before concluding no record exists is standard for Hillsboro searches involving South Asian naming conventions. East Asian names may appear with given name and family name in either order depending on the record creator's convention. Our find someone by first and last name guide covers systematic name-variant strategies.
Official record sources in Washington County
| Record type | Agency | Online access | Notes |
|---|---|---|---|
| Felony, misdemeanor, civil, family, probate | Washington County Circuit Court (20th Judicial District) | OJD eCourt — ojd.state.or.us | Covered in statewide OJD eCourt search. No county pre-selection required. Case summaries online; full documents require Washington County Circuit Court clerk in Hillsboro. |
| City ordinance violations | Beaverton Municipal Court and other city courts | beavertonoregon.gov/municipal-court | Separate from the circuit court. Beaverton, Hillsboro, Tigard, and other Washington County cities each maintain their own municipal courts for local ordinance matters. Not included in OJD eCourt. |
| Property records | Washington County Assessment and Taxation | washcotax.com | Free online search by owner name or address. Ownership, assessed value, and transfer history. Use to confirm whether a Portland-labeled address is in Washington County before routing to circuit court. |
| Marriage and vital records | Washington County Clerk / Oregon Center for Health Statistics | co.washington.or.us/clerk and oregon.gov/oha/ph/birthdeathcertificates | County Clerk issues marriage licenses. Oregon OCHS maintains statewide vital records index. Certified copies require qualification and fee. |
| Arrest and booking records | Washington County Sheriff / city police departments | washingtoncountyor.gov/sheriff | Sheriff covers county jail and unincorporated areas. Beaverton PD, Hillsboro PD, Tigard PD, and other city departments maintain separate records. |
| Professional licensing (tech sector) | Oregon state licensing boards (State Bar, Engineering, Nursing, etc.) | Oregon.gov licensing search portals by board | For Intel and Nike workforce subjects with professional licenses, Oregon licensing portals can confirm current employer and license status faster than address searches for recently changed addresses. |
For a broader overview of how public records are aggregated across jurisdictions, see our public record search guide.
Marriage records in Washington County
Marriage licenses in Oregon are issued by the county clerk where the license is obtained. Washington County Clerk issues and holds marriage licenses, with records accessible at co.washington.or.us/clerk. Oregon Center for Health Statistics maintains a statewide vital records index — certified copies require proper qualification and a fee through oregon.gov/oha/ph/birthdeathcertificates or by mail.
Washington County's large professional immigrant community means some marriage records may involve names from Indian, Taiwanese, Filipino, or other non-Western naming systems where romanization variants affect search results. For a full guide to how marriage record searches work across all states, see our marriage record search guide.
Divorce records in Washington County
Divorce cases in Oregon are filed in Circuit Court in the county of residence. Washington County Circuit Court handles dissolution filings for county residents, with case indexes searchable through OJD eCourt at ojd.state.or.us. Oregon requires 6 months of state residency before filing. Full documents require contact with the Washington County Circuit Court clerk in Hillsboro.
Washington County's tech-sector workforce creates a prior-state divorce record pattern — some current Washington County residents divorced in California, Texas, or another state before relocating for employment. OJD eCourt covers only Oregon courts; prior-state dissolution records require the origin state's court portal. For a full guide to how divorce record searches work across all states, see our divorce record search guide.
Industry insight
The Portland postal label issue with Beaverton is the most consistent Washington County search error I see. The Sunset Corridor along U.S. 26 contains significant residential development where addresses appear as "Portland, OR 97005" or similar in databases — but the properties are in Washington County. A Multnomah Circuit Court search returns nothing. The Washington County Assessor portal at washcotax.com is the fastest confirmation tool: if the address shows up with Washington County assessment data, it's Washington County, and Washington County Circuit Court is the correct court regardless of what the city label says.
Intel layoff cycles affect search currency in a specific way. When Intel runs a reduction in force — which has happened multiple times in recent years — a significant number of Hillsboro-area employees relocate, often out of state. Their Washington County addresses may remain in aggregator databases for a year or two after they have moved. For any Hillsboro subject with an Intel employment history, I treat the address as current only if property records or a recent court filing confirm occupancy within the past year. Prior California (Bay Area, San Diego) or Arizona (Phoenix semiconductor industry) addresses are the most common prior-state destinations for Intel workers who leave Oregon.
Common mistakes when searching in Washington County
- Routing a Beaverton Sunset Corridor "Portland" postal address to Multnomah Circuit Court — these addresses are in Washington County. A Multnomah search returns nothing because the records are in the wrong county's portal. Always confirm county by ZIP (97005-97008 = Beaverton/Washington County) before running any court search.
- Treating a Washington County address as current for a tech-sector subject without verifying — Intel and Nike workforce turnover, contractor cycles, and corporate relocations produce address obsolescence faster than in most Oregon markets. Treat any Hillsboro or Beaverton address for a tech-sector subject as potentially outdated within 12-18 months of any employment change.
- Not running prior-state supplements for Silicon Forest subjects — many Washington County residents relocated from California, Texas, or Arizona for employment. Their prior court history is in those states' systems. OJD eCourt covers only Oregon; prior-state records require the origin state's portal.
- Missing municipal court records for Beaverton and Hillsboro ordinance matters — Beaverton Municipal Court and other Washington County city courts handle ordinance violations separately from the circuit court. These are not included in OJD eCourt and require direct inquiry with the city court.
Washington County court system overview
Washington County Circuit Court (20th Judicial District) handles all felony criminal, civil, family law, and probate matters for the county. The courthouse is in Hillsboro. Case summaries are accessible through OJD eCourt; full documents require contact with the circuit court clerk. Beaverton, Hillsboro, Tigard, and other Washington County cities each maintain separate municipal courts for city ordinance violations — these are not accessible through OJD eCourt.
Crime statistics and public-safety context
Washington County's crime rates are substantially lower than Multnomah County's. The Silicon Forest corridor communities — Beaverton, Hillsboro, and the Sunset Corridor suburbs — report rates typical of affluent technology-corridor cities. Tigard and Tualatin are lower still. The county's relatively affluent, homeowner-heavy demographic profile and stable employment base produce crime rates well below the statewide Oregon average. A Washington County court record query on a common name returns a significantly more manageable result set than a comparable Portland search. Source: Oregon Criminal Justice Commission, Oregon Crime Statistics 2023.
Major cities in Washington County
Beaverton
Beaverton (est. pop. 99,000 — U.S. Census Bureau, 2023 ACS) is the county's largest city and home to Nike's world headquarters. Beaverton is in Washington County Circuit Court jurisdiction with its own Beaverton Municipal Court for ordinance violations. Some Beaverton addresses carry "Portland" postal labels — confirm by ZIP (97005-97008) before routing. Nike's employment cycles and the tech corridor's contractor workforce create above-average address turnover for Beaverton tech-sector subjects.
Hillsboro
Hillsboro (est. pop. 108,000 — U.S. Census Bureau, 2023 ACS) is the county seat and courthouse location, anchored by Intel's Ronler Acres campus. Washington County Circuit Court and all county administrative offices are in Hillsboro. The large Indian-American professional community requires name-variant awareness as described in the methods section above. Hillsboro ZIP codes 97123 and 97124 reliably identify Washington County for records routing.
Tigard
Tigard (est. pop. 55,000 — U.S. Census Bureau, 2023 ACS) is south of Beaverton along I-5 with a mixed residential and commercial character. Tigard is in Washington County Circuit Court jurisdiction. Address histories in Tigard are more stable than in the tech-corridor communities to the north, reflecting a more diverse employment base less dependent on the Intel and Nike cycles.
Tualatin
Tualatin (est. pop. 31,000 — U.S. Census Bureau, 2023 ACS) is at the southern edge of Washington County bordering Clackamas County. Tualatin is in Washington County Circuit Court. For addresses near the southern Tualatin boundary approaching Sherwood or Wilsonville, confirming the county before routing is worth the extra step.
Forest Grove
Forest Grove (est. pop. 25,000 — U.S. Census Bureau, 2023 ACS) is in western Washington County near the Tualatin Valley wine region. Pacific University creates modest academic address churn in ZIP 97116. Forest Grove's distance from the Portland metro core gives it a more stable long-term residential population than the inner-ring suburbs.
Common search scenarios
Searching by name and city in Washington County
Confirm county by ZIP before running OJD eCourt — especially for any address labeled "Portland" that might be in Beaverton ZIPs 97005-97008. Run OJD eCourt statewide without county pre-selection to capture both current Washington County records and any prior Multnomah or Clackamas records. For tech-sector subjects, check the aggregator for prior California, Texas, or Arizona addresses before concluding the Washington County result is the complete picture. See our guide on finding someone by name and city.
Checking Washington County court records
OJD eCourt statewide → confirm Washington County in results → Washington County Circuit Court clerk in Hillsboro for full documents → Washington County Assessment and Taxation for property-based address verification → Beaverton Municipal Court for ordinance matters if needed. See our court record search guide.
Searching for a Silicon Forest tech worker with prior California history
Identify the prior California county from the aggregator address chain — San Jose/Santa Clara County, San Diego County, and Sacramento County are the most common prior Oregon residences for Intel-connected workers. Run California Superior Court portal for that county alongside OJD eCourt for the Oregon history. Professional licensing records through the California Bar, California Medical Board, or California engineering boards can sometimes confirm employment status faster than any address search for licensed professionals. A name and relative search typically surfaces the prior-state address chain clearly.
Start Here: Enter Any Name To View Records
Best sites to review first
Before running OJD eCourt for Washington County, these are the two services I recommend reviewing first — particularly for Beaverton postal label confirmation and prior-state address identification for tech-sector subjects.
| Service | Why people use it | Best fit |
|---|---|---|
| Instant Checkmate | Aggregates address history across Washington and Multnomah counties — confirms county for Portland-labeled Beaverton addresses and surfaces prior California, Texas, or Arizona addresses for tech-sector subjects | County confirmation and prior-state address identification for Silicon Forest workforce subjects |
| TruthFinder | Multi-state address timelines for tech-sector subjects who have lived in California, Texas, and Washington County at different points in their career | Prior-state context for Intel and Nike workforce subjects with multi-state address histories |
Important: These services are not FCRA-compliant consumer reporting agencies. Do not use them for employment screening, tenant decisions, insurance underwriting, or any other purpose regulated by the Fair Credit Reporting Act.
Frequently asked questions
Why do some Beaverton addresses show "Portland" as the city?
Parts of Beaverton and the Sunset Corridor along U.S. 26 are served by Portland post offices, so those properties receive mail addressed "Portland, OR" despite being in Washington County. This is a postal delivery designation with no relationship to county jurisdiction. Washington County Circuit Court, the Washington County Assessor, and Washington County Sheriff all cover these properties. ZIP codes 97005, 97006, 97007, and 97008 confirm Washington County regardless of the city label. The Washington County Assessor portal at washcotax.com confirms county in under a minute for any specific address.
How does Intel and Nike workforce turnover affect address reliability?
Intel and Nike together employ tens of thousands in Washington County, with additional contractor populations that cycle more rapidly. Both companies have conducted significant workforce reductions in recent years. Workers who are laid off, transferred, or complete contractor assignments frequently relocate — often out of state, most commonly to California, Texas, or Arizona. Commercial aggregator databases update on a lag, and a departed tech worker's Washington County address may remain as their current address in database records for a year or more after they have moved. Treat any Washington County address for a tech-sector subject as potentially outdated without property record or recent court filing confirmation.
Where do I find marriage and divorce records for Washington County?
Marriage licenses are issued by Washington County Clerk at co.washington.or.us/clerk. Oregon OCHS maintains a statewide vital records index at oregon.gov/oha/ph/birthdeathcertificates — certified copies require qualification and a fee. Divorce records are in Washington County Circuit Court, searchable through OJD eCourt. Full documents require contact with the Washington County Circuit Court clerk in Hillsboro. Prior marriages or divorces filed in California or another state before relocating to Washington County are in those states' records, not Oregon's.
How do I find property records for Washington County?
Washington County Assessment and Taxation at washcotax.com provides free online searches by owner name or address for ownership, assessed value, and transfer history. The portal is particularly useful as a county confirmation tool for Portland-labeled Beaverton addresses — if the address appears in the Washington County assessment system, it is in Washington County regardless of any postal city label.
Does Washington County have separate municipal courts?
Yes. Beaverton, Hillsboro, Tigard, Tualatin, and other Washington County cities each maintain their own municipal courts for local ordinance violations. These are separate from Washington County Circuit Court and are not accessible through OJD eCourt. For any ordinance-level matter in a Washington County city, the relevant city's municipal court is the correct inquiry point.
Should I also check Multnomah and Clackamas counties for a Washington County search?
OJD eCourt statewide covers all three Portland metro counties in a single search — no separate portal search is needed for the court index. Prior Multnomah or Clackamas County records for a Washington County subject surface automatically in the statewide OJD query. Only when requesting full case documents does the specific county matter for routing the request to the correct courthouse.
Can I use these searches for jobs, housing, or insurance decisions?
No. The services discussed on this page are not consumer reporting agencies and the information here is not a consumer report. They should not be used for employment, tenant screening, insurance underwriting, credit, or any other purpose regulated by the Fair Credit Reporting Act.
Other Oregon county guides
