Search King County Phone Directory
The King County Phone Directory helps you find phone numbers for clerks, courts, the assessor, the jail, and other public offices in King County, Washington. Use the King County Phone Directory to look up a case clerk, reach a records desk, or check a parcel line. The goal is simple. Get the right number fast. This King County Phone Directory page pulls together the main offices you may need for a call or a records request. Each listing points back to an official King County or state .gov source.
King County Phone Directory Overview
King County Phone Directory Main Offices
The main offices in King County all post phone lines on their public pages. The clerk of the Superior Court, the assessor, and the jail each keep a records desk you can call. Start with the office that holds the file you want. The clerk holds case files. The assessor holds parcel data. The jail holds inmate info. A quick call gets you the hours and the steps for a records request.
Most staff pick up fast during business hours. If the line is busy, you can leave a message or try the web form on the office page. The King County Superior Court Clerk records access portal is a strong first stop for court files. From there you can pull a case and then call the clerk desk for a copy. The clerk phone line is listed on the portal help page.
Note: King County offices in downtown Seattle may use different phone lines for public records and case help, so pick the line that matches your need.
King County Phone Directory for Property Records
The King County Assessor runs the parcel look-up system. You can search by name, by address, or by parcel number. The site lists a help line at the bottom of the page. A call to the assessor desk gets you tax, value, and owner info. The King County Assessor eReal Property search is the main tool for this work. It is free to use and open to the public. Staff can walk you through a tricky lookup on the phone.
Here is a look at the eReal Property search form from the King County Assessor page. The form lets you search by parcel or address.
Use that page to pull the parcel and then call the assessor help desk for any follow-up question.
The King County Recorder holds deeds, liens, and other land files. The recorder phone line is on the King County Recorder office page. You can call ahead to check the fee and the copy turnaround. Staff can tell you if a file is ready for pickup or if it will go out by mail.
King County Courts Phone Directory
King County Superior Court has the largest clerk office in the state. The clerk holds family, civil, and criminal case files. The Washington Courts name and case search lets you find a case and then call the right clerk desk. The King County clerk also runs the records access portal. That portal links to help staff by phone and by email.
You can call the clerk to ask about a case, a hearing date, or a copy of a ruling. Keep the case number ready. Staff will look it up while you wait. Under RCW Chapter 42.56, the Public Records Act, the clerk must answer a records request. The answer may be a copy, an estimate, or a written denial. Most answers come within five business days.
King County District Court has its own clerk. That clerk holds small claims and minor case files. The phone line is on the court home page. Call for a case status or for a hearing date. The clerk can also point you to the right form for a fee waiver.
King County Jail and Sheriff Phone Directory
The King County Jail runs an inmate look-up tool online. You can search by name or by booking number. The King County Jail Inmate Lookup Service (JILS) is the main tool for that work. The jail records desk has its own phone line. Call to ask about bail, booking time, or release.
Below is the JILS search page from the King County JILS portal. It shows the name search box and the booking fields.
From that page you can pull a booking and then call the jail records desk for more info.
The King County Sheriff has a records unit for incident reports and case files. Under RCW 42.56.520, the sheriff must respond to a records request within five business days. Call the records unit first to confirm the right form and the fee. Staff will tell you if the report is ready or if you need to wait.
State Resources for King County Phone Directory
Some King County files live at the state level. The Washington State Digital Archives holds old county files from King County and other counties. The archives desk has a phone line for help. The Washington Department of Health vital records unit holds birth, death, and marriage files for the whole state, including King County. Call the state line for certified copies.
The Washington State Patrol criminal history unit runs the WATCH background check system. WATCH covers King County records and the rest of the state. Call the WSP records line for fees and forms.
Note: Some King County case files from the 1800s and early 1900s are now held at the Digital Archives, so start there for any old family law or land record.
Nearby Counties
Pick a nearby county to view its phone directory page.