Average Cost Of Addiction Treatment In Washington (2026)

Washington maintains one of the larger addiction treatment systems in the country, serving nearly 45,000 individuals each year.

Despite the availability of treatment services, state data suggests that roughly 90% of people struggling with alcohol or illicit drug addiction do not receive treatment.

Reviewing average rehab costs across different treatment programs can help individuals and families better understand what to expect when seeking care in Washington.

Average Rehab Program Costs in Washington

Costs for addiction treatment in Washington vary based on the services provided and the level of support required.

Residential treatment programs generally cost more than outpatient services because they include housing, meals, and around-the-clock care.

According to state-level treatment cost data:

• The average Washington outpatient rehab program cost is approximately $1,704 per person
• The average cost of a residential rehab program in Washington is approximately $56,539 per person
• Washington ranks as the 14th least-expensive state for residential (non-hospital) addiction treatment
• Nearly 45,000 individuals receive addiction treatment services annually throughout the state

These averages reflect total treatment costs and may vary depending on program length, facility type, and individual treatment needs.

Rehab Costs in Washington by Level of Care

The following overview highlights common costs of addiction treatment across various levels of care in Washington.

Medical Detox Pricing

Medical detox provides supervised withdrawal management for individuals beginning recovery from drugs or alcohol.

In Washington, detox costs typically align with national averages and may range from approximately $250 to $800 per day.

Depending on the complexity of withdrawal symptoms and medical needs, a detox stay may cost between $1,250 and $5,600 without insurance.

Programs that require intensive medical supervision or medication support may have higher costs.

Residential Treatment Costs

Residential treatment programs provide structured, live-in care designed to support long-term recovery.

The average cost of residential addiction treatment in Washington is approximately $56,539 per person. 

Compared to many other states, Washington remains relatively affordable for residential rehab, ranking 14th nationwide for residential treatment costs.

Specialized services, extended treatment stays, and enhanced clinical support may increase total program costs.

Partial Hospitalization Program (PHP) Costs

PHPs provide intensive treatment during the day while allowing individuals to return home at night or to a supportive housing program.

In Washington, PHP costs often range from approximately $350 to $450 per day. Depending on treatment duration, total costs may reach $10,500 to $13,500 before insurance coverage.

These programs commonly include therapy, psychiatric support, medication management, and relapse prevention services.

Intensive Outpatient Program (IOP) Costs

IOPs offer structured treatment while allowing individuals to continue living at home or in sober living facilities and maintaining many daily responsibilities.

In Washington, intensive outpatient treatment programs typically cost between $3,000 and $10,000 total. Daily IOP treatment costs in Washington often range from approximately $100 to $300 depending on the frequency of services provided.

Program costs vary based on treatment schedules and the level of clinical support included.

Standard Outpatient Treatment Costs

Outpatient treatment is the most frequently utilized level of addiction care in Washington.

More than 43,000 individuals enroll in outpatient treatment programs each year throughout the state. The average outpatient rehab cost in Washington is approximately $1,704 per person.

Individual counseling sessions and outpatient services may range from approximately $30 to $300 per visit depending on provider type and treatment approach.

Medication-Assisted Treatment Costs

Medication-assisted treatment (MAT) combines medications with counseling and behavioral therapies to support recovery.

Typical MAT expenses may include:

• $100 to $500 per month for medications
• routine physician appointments
• counseling and recovery support services

Overall costs depend on medication type, treatment duration, and insurance benefits.

Dual Diagnosis Treatment Costs

Dual diagnosis programs help individuals address both substance use disorders and co-occurring mental health conditions.

Because these programs provide integrated treatment services, costs are generally higher than traditional rehab programs.

Residential dual diagnosis treatment in Washington may cost approximately $10,000 to $30,000 per month depending on treatment intensity and psychiatric support needs.

What Factors Affect Rehab Costs in Washington?

Several factors can influence the total cost of addiction treatment in Washington.

Common rehab cost factors include:

• Length of treatment: Longer stays generally increase overall expenses
• Level of care: More intensive programs require additional staffing and resources
• Facility amenities: Private and luxury treatment centers often charge higher rates
• Medical and psychiatric services: Specialized care can increase costs
• Location: Pricing may vary across different regions of the state

Because Washington offers both publicly funded and private treatment options, costs can differ substantially from one provider to another.

Rehab Costs With Insurance vs Without Insurance in Washington

Health insurance can significantly reduce out-of-pocket treatment expenses, though coverage varies by plan and provider.

Actual costs depend on deductibles, copays, provider networks, and authorization requirements.

Private Insurance Coverage for Rehab Programs in Washington

Many private insurance plans cover at least a portion of substance use disorder treatment.

Addiction services that may be covered by insurance include:

• medical detox
• residential treatment
• outpatient rehab
• medication-assisted treatment
• therapy and counseling

After deductibles and other cost-sharing requirements are met, many plans cover a substantial percentage of treatment expenses.

Medicaid Coverage in Washington

Washington Medicaid may provide coverage for eligible individuals seeking addiction treatment services.

Covered services may include:

• outpatient treatment
• medication-assisted treatment
• behavioral health services
• certain residential treatment programs

Coverage levels and provider availability may vary depending on eligibility and location.

Paying for Rehab Without Insurance in Washington

Individuals without insurance are often responsible for the full cost of addiction treatment.

Potential expenses may include:

• treatment program fees
• detox services
• medications
• mental health treatment
• residential housing costs

Washington is home to a number of free addiction treatment programs. Some treatment centers may also offer financing options, payment plans, or reduced-cost services.

Ways to Cover Rehab Costs in Washington

Several financial resources may help individuals and families manage the cost of addiction treatment.

Common options include:

• payment plans through treatment providers
• healthcare financing programs
• sliding-scale fee structures
• state-funded treatment services
• nonprofit grants and scholarships
• personal or family financial assistance

Exploring available resources may help make treatment more affordable and accessible.

Is Rehab Worth the Cost in Washington?

The cost of addiction treatment can feel significant, but untreated substance use disorders often create financial, medical, and personal consequences that can become far more costly over time.

Substance use may contribute to:

• increased healthcare expenses
• employment difficulties
• legal challenges
• strained relationships

Although Washington serves nearly 45,000 individuals through addiction treatment programs each year, many people who need care still do not receive it.

Accessing treatment can provide important long-term benefits, including improved health, stability, and overall quality of life.

For many individuals and families, those benefits outweigh the initial cost of rehab.

Rehab Program Access and Treatment Demand in Washington

Washington maintains a large addiction treatment network that serves thousands of individuals annually.

State addiction treatment data for Washington shows:

• 514 active substance abuse treatment facilities
• 44,959 individuals receiving treatment annually
• 43,104 outpatient treatment enrollments each year
• 1,790 residential treatment enrollments
• 65 hospital-based addiction treatment patients
• $73.46 million spent on outpatient treatment services
• $101.2 million spent on residential treatment services

Treatment demand, provider availability, insurance participation, and regional access can all influence both rehab costs and treatment availability throughout Washington.

Learn More About Washington Rehab Program Costs and Treatment Options

Understanding rehab costs can help individuals and families make informed decisions when exploring addiction treatment options.

Learning how treatment pricing varies by level of care, insurance coverage, and payment options can make it easier to compare programs and prepare for recovery.

AddictionResource provides information on rehab costs, addiction treatment programs, and recovery resources to help individuals better understand their options and find appropriate support.

Written by the Addiction Resource Editorial Staff