Olympia is the county seat, and almost every adult criminal case in Thurston County is heard on one campus: the Thurston County Courthouse complex at 2000 Lakeridge Drive SW. Felonies go to Superior Court; misdemeanors and gross misdemeanors go to Thurston County District Court, which since February 2026 has also absorbed the old Olympia and Tenino municipal courts and already handled Lacey and Tumwater cases. Yelm is the only city still running its own municipal court. The elected Prosecuting Attorney files felonies and county misdemeanors, while city attorneys prosecute city-ordinance cases. Most people arrested here are booked into the Thurston County Corrections Facility in Tumwater, and many city misdemeanor arrestees are housed at the tribally run Nisqually Corrections Center; bail is set by the judge at the first hearing.

• Thurston County Superior Court, 2000 Lakeridge Dr SW, Building 2, Olympia, WA 98502, (360) 786-5560
• Thurston County Clerk (Superior Court files, felony bail), 2000 Lakeridge Dr SW, Building 2, Olympia, (360) 786-5430
• Thurston County District Court, 2000 Lakeridge Dr SW, Building 3, Olympia, WA 98502, (360) 786-5450; District Court Probation, (360) 786-5452
• Thurston County Prosecuting Attorney, 2000 Lakeridge Dr SW, Building 2, Olympia, (360) 786-5540
• Thurston County Sheriff's Office, Olympia, (360) 786-5500
• Thurston County Corrections Facility (main jail), 3491 Ferguson St SW, Tumwater, (360) 709-5900
• Nisqually Corrections Center, 11702 Yelm Hwy SE, Olympia, WA 98513, (360) 413-3019
• Thurston County Public Defense, 926 24th Way SW, Olympia, WA 98502, (360) 754-4897
• Olympia Police Department, 601 4th Ave E, Olympia, (360) 753-8300
• Lacey Police Department, 420 College St SE, Lacey, (360) 459-4333
• Tumwater Police Department, 555 Israel Rd SW, Tumwater, (360) 754-4200
• Thurston County Family and Juvenile Court (juvenile probation and detention), 2801 32nd Ave SW, Tumwater, WA 98512, (360) 709-3131

Which court hears your case. A traffic or civil infraction anywhere in the county except Yelm lands in Thurston County District Court. A misdemeanor or gross misdemeanor charged by a state trooper or deputy is a county case in District Court; one charged by Olympia, Lacey, Tumwater, or Tenino police is a city case, but it is still heard in District Court, with the city's own prosecutor and public defense attorney. Yelm Police cases go to Yelm Municipal Court. Felonies are filed by the Prosecuting Attorney in Superior Court. Anyone under 18 goes to the juvenile division of Superior Court in Tumwater unless state law requires or permits an adult prosecution.

Where pretrial inmates are held. The Thurston County Corrections Facility, 3491 Ferguson St SW in Tumwater, (360) 709-5900, is the county's main adult jail; its campus also includes the Correctional Options building used for work release and electronic home monitoring. Olympia closed its own city jail in 2023; the city now sends most misdemeanor arrestees to the Nisqually Corrections Center, a 288-bed jail the Nisqually Indian Tribe runs on Yelm Highway that also rents beds to other western Washington cities and the state Department of Corrections. Cash bail for the county jail can be paid at the court clerks' counters during business hours and at the Ferguson Street bail window after hours. The jail takes no credit cards or personal checks and never collects bail by phone.

Olympia approved an interlocal agreement in 2025 and its municipal court held its last day of service on February 4, 2026, after moving roughly 2,500 cases. Tenino's court ended the day before. Lacey and Tumwater had already been using District Court. That leaves a single courthouse campus for nearly everything, which matters for families: the bail counter, the clerks, the probation office, and the courtrooms where jailed defendants appear are all on Lakeridge Drive.

Courts that hear criminal cases

• Thurston County Superior Court, Building 2, 2000 Lakeridge Dr SW, Olympia, (360) 786-5560: felonies, felony first appearances after the information is filed, jury trials, sentencing, and appeals from the limited-jurisdiction courts.
• Thurston County District Court, Building 3, 2000 Lakeridge Dr SW, Olympia, (360) 786-5450: county misdemeanors and gross misdemeanors, plus municipal court services for Olympia, Lacey, Tumwater, and Tenino. District Court also hosts a mental health court and a veterans court.
• Yelm Municipal Court, Public Safety Building, 206 McKenzie Ave SE, Yelm, (360) 458-3242: misdemeanors, gross misdemeanors, and infractions inside Yelm city limits.

Cities without their own court

• Olympia: municipal court closed February 4, 2026; cases now heard in District Court, with the City still handling prosecution, public defense, and victim advocacy.
• Tenino: last day of municipal court service was February 3, 2026; payments, records, hearings, and probation moved to District Court.
• Lacey: District Court provides municipal court services; the Lacey City Attorney prosecutes, and city-contracted defenders (Pacific Point Defense and attorney Christine Langley) represent eligible defendants.
• Tumwater: District Court hears Tumwater cases, and the county public defense office handles Tumwater misdemeanors under contract.
• Rainier and Bucoda: small towns whose cases are listed with District Court; the Sheriff's Office has policed Rainier under contract for more than a decade. Ask the District Court clerk which prosecutor files a given case.

Prosecution, defense, police, and juvenile intake

• Thurston County Prosecuting Attorney, (360) 786-5540; city cases are filed by Olympia, Lacey, Tumwater, or Yelm prosecutors.
• Thurston County Public Defense, (360) 754-4897, covers felonies, county misdemeanors, juvenile offenses, and Tumwater cases; Olympia, Lacey, Yelm, and Rainier arrange their own defenders.
• Law enforcement: Thurston County Sheriff, (360) 786-5500; Olympia, Lacey, Tumwater, and Yelm police; the Sheriff also began a six-month pilot covering Tenino in April 2026.
• Juvenile intake and detention: Family and Juvenile Court, Tumwater, (360) 709-3131.

Most misdemeanor arrests in the Olympia area start with a ride to Tumwater or to the Nisqually facility. Because the county jail has reported chronic crowding and reserves beds for domestic violence, DUI, and violent offenses, lower-level cases often end with a citation and a mailed court date instead. Someone booked into the Thurston County Corrections Facility or the Nisqually Corrections Center on a warrantless arrest must see a judge for a probable cause finding within 48 hours, and in-custody defendants appear by video before District Court or Yelm Municipal Court by the next court day.

First appearance and release

Under Washington's court rules, release on personal recognizance is the starting point. The judge can add conditions such as alcohol monitoring, no-contact orders, or check-ins with probation, and can set bail when there is a real risk of missed court dates or danger to someone. Domestic violence arrests are held for a court appearance rather than released on a schedule, and a no-contact order is usually entered at that first hearing. Bail posted at the Nisqually jail goes to the court that set it; that facility's bail line is (360) 413-3019. Licensed bail bond companies may post bonds at either jail.

What happens next

• Arraignment: the formal not-guilty plea, often merged with the first appearance for people in custody. A public defender is appointed if you qualify; call Thurston County Public Defense at (360) 754-4897 for county and Tumwater cases, or ask the court which contract attorney covers your city.
• Pretrial hearings: discovery, plea offers, and motions.
• Trial: six jurors in District Court and Yelm Municipal Court. In-custody defendants must be tried within 60 days of arraignment and out-of-custody defendants within 90, though continuances are common.
• Options instead of conviction: stipulated orders of continuance, deferred prosecution for DUI defendants with treatment needs, and referrals to District Court's mental health or veterans court.

Penalties

Simple misdemeanors in Thurston County top out at 90 days behind bars plus a $1,000 fine; gross misdemeanors, a category that covers DUI and domestic-violence assault, can bring 364 days and $5,000. A first DUI carries a mandatory minimum jail term (often served partly on electronic home monitoring through the county's Correctional Options program), fines, and license consequences. Knowing drug possession is now a gross misdemeanor under the 2023 law, with judges and prosecutors expected to steer people toward treatment and pretrial diversion.

Felony suspects in this county are booked at the Thurston County Corrections Facility on Ferguson Street. A judge reviews the arrest for probable cause within 48 hours and holds a preliminary appearance, usually by video, by the end of the next court day. If the Prosecuting Attorney does not file charges within 72 hours of that first appearance, the person must be released, although charges can still be filed later.

Release decisions

At the preliminary appearance a Superior Court judge decides release under CrR 3.2. Felony defendants with stable housing and few failures to appear are often released on conditions. Others see bail set in cash or surety form; during weekday hours the money is accepted by the Thurston County Clerk in Building 2, and after hours at the Tumwater jail's bail window. A public defender from Thurston County Public Defense, (360) 754-4897, is usually appointed at this hearing after a quick indigency screening.

From charge to resolution

• Information filed: the written felony charge in Superior Court.
• Arraignment: no later than three days after charging for a jailed defendant, or two weeks after the next court appearance for a released one, where a not-guilty plea is entered and a trial date is picked.
• Omnibus and status hearings: discovery disputes, plea negotiations, and motions to suppress evidence.
• Trial: 12 jurors, unanimous verdict required. Time-for-trial limits are 60 days in custody and 90 days out of custody, but excluded periods and agreed continuances often push felony trials well past those marks.
• Sentencing: usually weeks after a plea or verdict, once the offender score is calculated.

How sentences work

Washington's Sentencing Reform Act grid sets a standard range from the crime's seriousness level and the person's offender score. A Class C felony carries a statutory maximum of five years and $10,000; Class B, ten years and $20,000. If the total sentence is a year or less, it is served locally, often at the Tumwater facility or through work release and electronic monitoring; longer terms go to the state Department of Corrections, followed by community custody. First-time offenders may qualify for the First-Time Offender Waiver, and people with substance-use disorders may ask for a Drug Offender Sentencing Alternative. Washington abolished parole for crimes committed after mid-1984, so earned early-release time is the main way a sentence shortens.

People arrested for these offenses are almost always held at the Thurston County Corrections Facility rather than the Nisqually jail, and prosecutors frequently ask for high bail or no-contact orders protecting the alleged victim and witnesses.

What to expect

• Release: judges weigh the danger to the community heavily. Conditions can include GPS monitoring and firearm surrender.
• Defense: Thurston County Public Defense assigns experienced felony attorneys to serious violent cases and may bring in conflict counsel when co-defendants are involved. Call (360) 754-4897.
• Victims: the Washington Constitution (article I, section 35) gives crime victims the right to attend and be heard at sentencing and other key hearings; the Prosecuting Attorney's victim advocates handle notifications.

Sentencing in serious cases

Class A felonies, including first-degree robbery, first-degree rape, and murder, can be punished by up to life behind bars plus a $50,000 fine. Most serious violent offenses also bring longer standard ranges, mandatory community custody, and firearm or deadly-weapon enhancements that must be served in full. Under the persistent offender law, a third "most serious offense" conviction requires life without release. Washington no longer has a death penalty: State v. Gregory voided it in 2018, and lawmakers took it off the books in 2023. Aggravated first-degree murder now brings life without parole for adults, though after the 2021 Monschke decision that sentence is no longer automatic for people who were 18 to 20 at the time of the crime.

The juvenile division of Thurston County Superior Court, juvenile probation, and the county's youth detention unit share the Family and Juvenile Court building at 2801 32nd Ave SW in Tumwater, (360) 709-3131. The detention office there runs around the clock and takes youth from every police agency in the county.

Detention and the first hearing

Police may release a young person to a parent, refer the case to the prosecutor's juvenile team, or bring the youth to the Thurston County Juvenile Detention unit. A youth held in detention must have a detention hearing within 72 hours, not counting weekends and holidays. The judge decides whether the youth goes home, often with conditions such as school attendance or electronic monitoring, or stays in custody. Money bail is rare for juveniles; release usually turns on supervision and behavior. Thurston County Public Defense represents eligible youth in offender cases from the first hearing.

How juvenile cases end

• Diversion: many first-time, lower-level offenses are diverted through a contract with community programs, keeping the matter out of court entirely.
• Local sanctions: probation, community restitution, counseling, and short detention stays for adjudicated offenses with lower standard ranges.
• Juvenile Rehabilitation commitment: longer dispositions are served in state custody under DCYF, at Green Hill School (Chehalis), Echo Glen Children's Center (Snoqualmie), or a community residential facility; certain cases allow custody to run to age 25.

When a teen is charged as an adult

RCW 13.04.030, as narrowed by the Legislature in 2018, gives adult court exclusive jurisdiction from the outset when a 16- or 17-year-old is accused of a serious violent offense like first-degree murder, first-degree rape, or first-degree assault. For other felonies, the prosecutor can ask a juvenile judge to "decline" jurisdiction after a hearing that weighs the youth's age, maturity, and record. Those cases then follow the adult felony path.

Federal crimes from Thurston County are prosecuted in Washington's Western District and are ordinarily heard in its Tacoma division at the Union Station courthouse, 1717 Pacific Avenue, Tacoma, (253) 882-3800. The U.S. Attorney's Office prosecutes from its Tacoma branch, 1201 Pacific Avenue, Suite 700, (253) 428-3800, and its main Seattle office, (206) 553-7970.

When a case becomes federal here

• Crimes on the part of Joint Base Lewis-McChord that extends into Thurston County, including training lands near Rainier and Yelm, can be federal; service members may also face military court.
• Offenses involving Indian defendants or victims on the Nisqually Reservation or the Thurston County portion of the Chehalis Reservation may fall under federal jurisdiction, depending on the crime and on Washington's partial state jurisdiction in Indian country. The Nisqually Tribal Court, (360) 456-5221, handles many tribal-code cases.
• Federal agencies (DEA, FBI, ATF, HSI) often take drug-trafficking, firearms, child-exploitation, and fraud cases that began with Olympia-area police.

How the federal process works

After arrest, the person sees a U.S. magistrate judge for an initial appearance. Federal courts rarely use cash bail; under the Bail Reform Act, the judge either sets release conditions or holds a detention hearing. Detained defendants from this area are commonly held at Federal Detention Center SeaTac, and some may appear on a local jail roster, such as the Thurston County Corrections Facility, while held under a U.S. Marshals contract. Within 30 days of the arrest the government needs a grand jury indictment, after which a 70-day Speedy Trial Act clock starts, though it pauses often. The Federal Public Defender for the Western District of Washington, which has a Tacoma office, represents people who cannot afford counsel, with Criminal Justice Act panel attorneys taking conflicts. Sentences follow the advisory U.S. Sentencing Guidelines; there is no federal parole, so prisoners serve at least about 85 percent of the term, then supervised release. Any appeal is decided by the San Francisco-based Ninth Circuit, whose judges also sit at Seattle's Nakamura Courthouse. Relatives can confirm where a Thurston County federal prisoner is housed using the Federal Bureau of Prisons inmate locator.

This guide is general information about Thurston County criminal courts, not legal advice, and court arrangements here have changed quickly since 2025. For advice about a specific case, talk to a Washington-licensed criminal defense attorney. Thurston County Public Defense can be reached at (360) 754-4897, and the Corrections Facility in Tumwater at (360) 709-5900 for custody and bail questions.