We list 39 free & state-funded rehabs in Montana, based on SAMHSA's FindTreatment.gov data, with the most in Billings (6), Helena (5), and Livingston (3). Compare services, insurance accepted and accreditation, or call for free help choosing.
State-Funded / Low-Cost: the basics
State-funded rehab programs use public money, including federal SAMHSA block grants, to provide free or low-cost addiction treatment to people who can't afford it. They usually serve people with low incomes and no insurance or not enough insurance. Availability and rules vary by state and county, and some programs have waitlists. Read the full guide →
2026 rankings
Ranked by the StartDrugRehab Score: accreditation, levels of care, patient ratings and payment options. Featured or claimed status never affects rank. How we rank
Best for: Detox and residential careJoint CommissionNCQA
Why it made our list: Joint Commission and NCQA accredited; offers detox, residential care, outpatient care, and MAT; accepts private insurance, Medicaid, and self-pay.
Best for: Detox and residential careCARF
Why it made our list: CARF accredited; offers detox, residential care, PHP, and IOP; accepts private insurance, Medicaid, and TRICARE.
Best for: Intensive outpatient careCARFCOA
Why it made our list: CARF and COA accredited; offers IOP, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Supervised detoxNCQA
Why it made our list: NCQA accredited; offers detox, outpatient care, MAT, and dual diagnosis care; accepts private insurance, Medicaid, and Medicare.
Best for: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Outpatient care with MATJoint Commission
Why it made our list: Joint Commission accredited; offers outpatient care and MAT; accepts private insurance, Medicaid, and Medicare.
Best for: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and dual diagnosis care; accepts private insurance, Medicaid, and TRICARE.
Best for: Residential treatment
Why it made our list: Offers residential care, IOP, outpatient care, and MAT; accepts private insurance, Medicaid, and TRICARE.
Best for: Intensive outpatient care
Why it made our list: Offers PHP, IOP, outpatient care, and dual diagnosis care; accepts private insurance, Medicaid, and TRICARE.
Best for: Low-cost outpatient careCOA
Why it made our list: COA accredited; offers outpatient care and dual diagnosis care; accepts private insurance, Medicaid, and TRICARE.
Billings, MT 59101
CARF accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +2 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59602
Joint Commission · NCQA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +1 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59102
CARF · COA accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Great Falls, MT 59401
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59624
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +2 more
“Get help” calls our free helpline, not this facility.
Havre, MT 59501
NCQA accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Joint Commission accredited
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59601
Levels of care
Payment accepted
Medicaid · Self-pay · Sliding scale +1 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59101
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +3 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59102
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59601
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Kalispell, MT 59901
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Dillon, MT 59725
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Livingston, MT 59047
Levels of care
Payment accepted
Medicaid · Medicare · Private insurance +4 more
“Get help” calls our free helpline, not this facility.
Billings, MT 59101
Levels of care
Payment accepted
Medicaid · Self-pay · Sliding scale +1 more
“Get help” calls our free helpline, not this facility.
Broadus, MT 59317
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Glasgow, MT 59230
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Glendive, MT 59330
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Miles City, MT 59301
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Plentywood, MT 59254
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Sidney, MT 59270
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Wolf Point, MT 59201
Levels of care
Payment accepted
Medicaid · Private insurance · Self-pay +2 more
“Get help” calls our free helpline, not this facility.
Missoula, MT 59801
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Missoula, MT 59803
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Helena, MT 59601
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Shelby, MT 59474
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Wolf Point, MT 59201
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Kalispell, MT 59901
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
Miles City, MT 59301
COA accredited
Levels of care
Payment accepted
Medicaid · Private insurance · TRICARE +3 more
“Get help” calls our free helpline, not this facility.
We list 39 free & state-funded rehabs in Montana, based on SAMHSA's FindTreatment.gov data (updated October 2026).
The most listings are in Billings (6), Helena (5), and Livingston (3).
Look for state licensing and accreditation (The Joint Commission or CARF), the right level of care for your needs, evidence-based therapies, and insurance compatibility. Read our guide to choosing a rehab or call (833) 589-6933 to talk it through.
Most private plans and Medicaid cover substance use treatment when it's medically necessary, but benefits vary by plan and network. Call (833) 589-6933 for a free, confidential benefits check.
Source: SAMHSA FindTreatment.gov, data updated October 2026. Listings are not endorsements.
