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Trillium Place Residential Center at The Knolls

3300 West New Leaf Lane, Peoria, IL 61615

Est. 2019 2 care levels
(833) 567-5838 Free · Confidential · 24/7

Key Facts About Trillium Place Residential Center at The Knolls

  • Location: Peoria, IL
  • Levels of Care: Residential Rehab, Co-Occurring Mental Health
  • Insurance: Accepts 24 providers including Aetna, Anthem, BlueCross BlueShield
  • Therapies: 1-on-1 Counseling, Family Therapy, Group Therapy, Life Skills and more
  • Help Available: Call (833) 567-5838 for free insurance verification and placement assistance

About Trillium Place Residential Center at The Knolls

Set near the edges of Peoria on Willow Knolls Drive, this residential center welcomes men 18 and older seeking help for substance use disorder (SUD), including challenges related to opioids, marijuana, and methamphetamines. Within its licensed mental health care program, residents receive full-time support while practicing life and coping skills in a home-like setting. The center’s environment gently encourages healing, independence, and a renewed sense of purpose through personalized care and a strong foundation for recovery.
Trillium Place follows a whole-person approach grounded in therapies like individual and group counseling, psychoeducation, and stress management. Clients also receive medication-assisted treatment (MAT) to help with chemical dependence. The program extends beyond treatment with aftercare services that include employment and literacy support, mentoring, and discharge planning. Physical wellness activities help clients grow stronger in every way, so they leave not only more stable but more confident stepping into their life again.

Evidence-Based Context: According to SAMHSA's National Survey on Drug Use and Health (2023), approximately 48.7 million Americans aged 12 or older had a substance use disorder in the past year. The National Institute on Drug Abuse (NIDA) emphasizes that treatment programs combining behavioral therapy with medication-assisted approaches show the highest rates of sustained recovery. Facilities like Trillium Place Residential Center at The Knolls provide structured pathways to evidence-based care. Sources: SAMHSA NSDUH 2023, NIDA Principles of Drug Addiction Treatment (4th Ed.)

Who This Center Serves

Men Men Only

Services Offered

Mental health treatment Treatment for co-occurring substance use plus either serious mental health illness in adults/serious emotional disturbance in children
Residential/24-hour residential
Residential treatment center (RTC) for adults
Chlorpromazine Haloperidol Clozapine Nicotine replacement Antipsychotics used in treatment of SMI
Activity therapy Group therapy Individual psychotherapy Abnormal involuntary movement scale
Private non-profit organization
Community Mental Health Block Grants Medicare Medicaid Cash or self-payment State mental health agency (or equivalent) funds
Sliding fee scale (fee is based on income and other factors)
Clients with co-occurring mental and substance use disorders Clients who have experienced trauma Persons 18 and older with serious mental illness (SMI)
Screening for tobacco use
Mentoring/peer support
Smoking/vaping/tobacco cessation counseling
Smoking permitted in designated area
Young Adults Seniors
Vaping permitted in designated area
Illness management and recovery Supported housing Case management service Suicide prevention services

What to Expect at Trillium Place Residential Center at The Knolls

1. Initial Assessment

A clinical team evaluates your history, needs, and goals to create a personalized plan.

2. Active Treatment

Evidence-based therapies including 1-on-1 Counseling and Family Therapy, typically 30 days.

3. Progress & Recovery

Regular progress reviews, skill-building sessions, and adjustment of your treatment plan.

4. Aftercare Planning

Continued support, relapse prevention strategies, and connections to community resources for lasting recovery.

Understanding Your Treatment Options

Choosing the right treatment facility is one of the most important decisions in the recovery journey. Research published by the National Institute on Drug Abuse (NIDA) shows that treatment duration, therapeutic approach, and aftercare planning are the three strongest predictors of long-term sobriety.

Trillium Place Residential Center at The Knolls offers 2 distinct levels of care, allowing patients to step through treatment intensities as they progress. This continuum-of-care model — moving from higher to lower intensity — is recommended by SAMHSA as the gold standard for addiction treatment.

The facility utilizes 8 evidence-based therapeutic modalities. According to NIDA research, combination therapy approaches that integrate behavioral interventions (such as 1-on-1 Counseling and Family Therapy) with holistic support show significantly improved outcomes compared to single-modality programs.

Under the Mental Health Parity and Addiction Equity Act, most commercial insurance plans are required to cover substance abuse treatment. Trillium Place Residential Center at The Knolls works with 24 insurance providers. Call (833) 567-5838 to verify your specific coverage and learn about out-of-pocket costs before admission.

Levels of Care

Available treatment intensities

Conditions & Substances Treated

Alcohol Co-Occurring Disorders Drug Addiction Opioids Prescription Drugs Heroin Methamphetamine Marijuana

Verify Your Insurance Coverage

Free verification · Know your costs before you commit

(833) 567-5838
Trillium Place Residential Center at The Knolls photo 1

Frequently Asked Questions about Trillium Place Residential Center at The Knolls

Does Trillium Place Residential Center at The Knolls accept my insurance?
Trillium Place Residential Center at The Knolls accepts 24 insurance carriers including Aetna, Anthem, BlueCross BlueShield, Bright Health, CareFirst. Coverage varies by plan — deductibles, copays, day limits, and pre-authorization requirements differ. Under the Mental Health Parity Act, commercial plans must cover addiction treatment at parity with medical care. Call (833) 567-5838 for a free 5-minute benefits check.
What treatment programs are available at Trillium Place Residential Center at The Knolls?
Trillium Place Residential Center at The Knolls offers Residential Rehab, Co-Occurring Mental Health with evidence-based therapies including 1-on-1 Counseling, Family Therapy, Group Therapy, Life Skills. Each admission starts with a clinical assessment against the ASAM criteria to match program intensity (detox, residential, IOP, or outpatient) to clinical need.
How much does treatment cost at Trillium Place Residential Center at The Knolls?
Costs vary by level of care, duration, and insurance coverage. Typical national self-pay ranges: outpatient $1,000–$3,000/month, 30-day residential $5,000–$20,000, 90-day inpatient $12,000–$60,000. With 24 insurance carriers accepted at Trillium Place Residential Center at The Knolls, out-of-pocket costs are typically lower. Call (833) 567-5838 for a free, personalized cost estimate.
Are there other rehab centers near Peoria?
Yes. Browse all IL treatment centers or narrow to Peoria specifically. Our full facility directory filters by insurance carrier and level of care. Call (833) 567-5838 for a human-curated shortlist based on your situation.
What should I expect during treatment at Trillium Place Residential Center at The Knolls?
Treatment typically begins with a comprehensive clinical assessment, then a personalized plan combining individual therapy, group sessions, and evidence-based methods such as CBT, DBT, and motivational interviewing. Programs at Trillium Place Residential Center at The Knolls typically last 30 days. Aftercare planning — which may include sober living, outpatient follow-up, and peer support groups — ensures ongoing support after discharge. Per NIDA research, 90+ days of engaged treatment significantly improves long-term outcomes.
How do I verify Trillium Place Residential Center at The Knolls is legitimate?
Every center listed on RehabFlow is sourced from the federal SAMHSA Behavioral Health Treatment Services Locator and re-verified quarterly. For additional trust signals, check for JCAHO or CARF accreditation — both are voluntary third-party audits of clinical quality. Licensed clinicians (LCSW, LMFT, LPC, LADC, MD) should be on staff, not just peer coaches. If you spot outdated data, email [email protected] — we re-check within 24 hours.

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Published by RehabFlow
SAMHSA-sourced directory · May 2026

Listings are sourced from the SAMHSA Behavioral Health Treatment Services Locator and cross-checked against public CDC and NIDA data. This page is informational, not medical advice — see our editorial policy for how we verify and update facts.

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