Search Mason County Criminal Records

Mason County criminal records cover felony and misdemeanor cases filed in Shelton at both the Superior Court and District Court. You can search case information online through the statewide Washington Courts portal, or contact the Mason County Clerk or Sheriff's Office directly for records not available online. Mason County sits on the southern end of Hood Canal in western Washington. Criminal cases here follow standard Washington State procedures, with felonies handled at the Superior Court level and misdemeanors at District Court. This page gives you the key contacts, online search tools, and steps you need to find Mason County criminal records.

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Mason County Overview

~68,000 Population
Shelton County Seat
Superior Felony Court
District Misdemeanor Court

Mason County Superior Court Clerk

The Mason County Clerk of Superior Court maintains all Superior Court records including criminal, civil, family law, and probate cases. When a felony case is filed in Mason County, the clerk's office creates and stores the full case file. That file holds the charging documents, court orders, plea paperwork, sentencing information, and the final disposition. These records are available to the public under Washington's public records law, RCW Chapter 42.56.

The clerk's office is at 419 N 4th Street in Shelton. You can reach them at (360) 427-9670 ext. 463. Staff can help you search by name or case number and can make copies of documents in the file. Certified copies cost more than plain copies. If you need a certified copy of a judgment or conviction record, plan on requesting it in person or by mail with payment. The Mason County Clerk website has additional details on how to submit requests.

Office Mason County Clerk of Superior Court
Address 419 N 4th Street
Shelton, WA 98584
Phone (360) 427-9670 ext. 463
Website masoncountywa.gov

The Mason County Sheriff's Office provides law enforcement services countywide and maintains arrest records and jail records. When someone is taken into custody in Mason County, the sheriff's office creates a booking record with the person's name, booking date, charges, and other details. Arrest records exist even if charges are not filed or a case is later dismissed. Washington's Criminal Records Privacy Act, RCW Chapter 10.97, limits access to non-conviction records, but conviction information is generally public.

The Mason County Sheriff's Office is located at 419 N 4th Street, Shelton, WA 98584. Phone: (360) 427-9670 ext. 300. To request records, submit a written public records request. Include the person's full name, approximate date of the incident, and any other identifying details you have. The office will respond within five business days under Washington State law, though some requests take longer.

Mason County Sheriff's Office in Shelton Washington - arrest and criminal records

The Mason County Sheriff's Office handles arrest records, jail records, and sex offender registration for Mason County residents.

Mason County District Court Criminal Cases

Mason County District Court handles misdemeanors, gross misdemeanors, traffic violations, and civil cases under $100,000. Misdemeanor criminal cases heard here include DUI, simple assault, petty theft, disorderly conduct, and other lower-level offenses. Each case creates a court record with the charge, court dates, and outcome. These records are public and can be searched through the statewide court portal.

The District Court is also at 419 N 4th Street in Shelton. Phone: (360) 427-9670 ext. 460. You can find more information at the Mason County District Court page. For online access, use the statewide Washington Courts Name and Case Search. It covers both Superior and District Court cases filed in Mason County. Searches are free and do not require an account.

Note: Online case search results show case status and hearing information but do not include actual document images.

WSP Criminal History and WATCH System

The Washington State Patrol Identification and Criminal History Section is the central repository for criminal history record information in Washington. This covers all counties, including Mason County. The WSP collects fingerprint-based records and disposition data from courts and law enforcement agencies statewide. Their records go back further and are more complete than what you find in the public court case search portal.

Washington State Patrol criminal history records for Mason County background checks

The WSP criminal history page at wsp.wa.gov explains all available request methods, fees, and what information appears on a Washington State RAP sheet.

The WSP is located at 106 11th Ave SW Suite 1300 in Olympia. Phone: (360) 534-2000. Hours are Monday through Friday, 8:00 a.m. to 5:00 p.m. Mail requests go to: Washington State Patrol, Identification and Criminal History Section, PO Box 42633, Olympia, WA 98504-2633. Note that WSP records reflect Washington State history only and do not include out-of-state convictions.

Corrections and Sex Offender Information

For people currently held in a Washington State prison, the Department of Corrections runs a free online search at doc.wa.gov. You can search by DOC number or by name. Results show the person's age, current facility, and custody status. This database covers state facilities like the Washington Corrections Center in Shelton, which is in Mason County. It does not cover the Mason County Jail. For jail information, contact the Sheriff's Office.

Sex offender registration in Mason County is managed by the Mason County Sheriff's Office. Washington uses a three-tier classification system under state law. Level II and Level III registered offenders appear on the public registry at waspc.org. Level III offenders are considered high risk, and the public may receive active notification. Level I offenders are lower risk and their information is shared with law enforcement only.

Washington Court Forms and Records Requests

If you need to submit a formal records request or file paperwork related to a Mason County criminal case, Washington State provides standard forms at courts.wa.gov/forms. These forms cover a wide range of needs including public records requests, motions, and other filings. For court location and contact details, the Washington Courts Directory lists every court in the state by county.

Washington's public records law gives you the right to request documents held by government agencies. Requests must be in writing and include enough detail to identify the records you want. Agencies must respond within five business days, though complex requests may take longer. Some records, like juvenile criminal records and certain non-conviction information, have restricted access under RCW Chapter 10.97.

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Nearby Counties

These counties border Mason County. Criminal cases are filed in the county where the offense occurred, so check the location before searching.