Private, Personalized Addiction Treatment in Mission Viejo
Hillside Mission Recovery
Premier Drug & Alcohol Rehab in the Heart of California
Top-Rated Recovery Center for Addiction Rehab
Personalized Addiction Treatment in Mission Viejo, CA
Hillside Mission Recovery offers a luxury drug & alcohol addiction treatment experience in Mission Viejo, California, where clients can begin their recovery in comfort, privacy, and peace. Surrounded by scenic landscapes and close to the beach, our facility blends clinical care with the natural healing benefits of Southern California’s environment.
From medically supervised detox to personalized residential care, our programs are designed to support long-term recovery through structure, compassion, and evidence-based treatment (not 12-step or faith-based approaches). Clients benefit from a small, attentive team, individualized care plans, and a calming space that feels more like a retreat than a rehab. Whether you’re local or traveling from out of state, Hillside offers the ideal foundation for healing and thriving.

Substances we treat at Hillside Mission
Personalized treatment for a full range of addictions
At Hillside Mission Recovery, we provide specialized drug & alcohol addiction treatment for individuals facing substance use disorders and co-occurring mental health conditions. Our personalized approach is rooted in clinical expertise and compassion, ensuring each client receives care tailored to their unique needs, experiences, and goals. We go beyond treating symptoms. With support from experienced therapists, medical staff, and holistic practices like mindfulness and movement-based therapies, we focus on healing the whole person, physically, emotionally, and mentally. Our team is equipped to treat a wide range of addictions, including:
Beyond clinical treatment, we focus on developing healthy coping strategies, improving emotional regulation, strengthening relationships, and building the stability needed to support long-term recovery.
Levels of care available at Hillside
Comprehensive Addiction Treatment Designed for Every Stage of Recovery
Hillside Mission Recovery provides individualized treatment across multiple levels of care to support clients at various stages of their recovery. From medically supervised detox to residential treatment and ongoing aftercare planning, our programs are designed to promote long-term healing in a safe, structured, and supportive environment. With expert clinical staff, evidence-based therapies, and coordinated dual diagnosis care, we help each client move forward with clarity and confidence. For those needing continued care beyond our San Viejo facility, we offer seamless coordination through our broader treatment network.
Detoxification
Residential Inpatient
Partial Hospitalization
Intensive Outpatient
Virtual Intensive Outpatient
Dual Diagnosis
Hear from our patients
Read real reviews from alumni and loved ones who trusted Hillside Mission Recovery with their recovery journey.



Hillside, where Healing Begins in Comfort
Expert Care in a Private, Home-Like Setting
Premium Amenities Designed for Comfort and Care
At Hillside Mission Recovery, we’ve created a treatment environment where clinical care meets comfort, privacy, and personalized support. Located in the peaceful surroundings of Mission Viejo, our boutique facility offers a home-like setting where clients can focus on healing in a calm, secure space. With chef-prepared meals, flexible routines, and compassionate staff available around the clock, recovery here is both structured and nurturing.
Clients benefit from small group sizes, thoughtful amenities, and holistic activities that support both physical and emotional wellness. Hillside Mission Recovery offers more than treatment, it offers a place to feel grounded and supported from day one.
Our signature amenities include (not limited to):
- Private and semi-private bedrooms in a quiet home
- 24/7 on-site medical and clinical support
- Chef-prepared meals and grocery accommodations
- Structured electronics access and in-room entertainment
- Daily outings, nature-based activities, and group excursions
- Personal training, yoga, and guided meditation
- Designated smoking area
- Family visitation and situational acceptance of pets


Top-Tier Clinical and Holistic Therapies for healing
At Hillside Mission Recovery, we take a comprehensive and personalized approach to treatment, combining premium clinical care with integrated holistic therapies. Our team utilizes evidence-based methods such as Cognitive Behavioral Therapy (CBT), Dialectical Behavior Therapy (DBT), and trauma-informed care to address the root causes of addiction and co-occurring mental health issues. We also offer holistic options like yoga, guided meditation, and experiential activities that support emotional regulation and whole-person healing.Â
Our therapy offerings include:
Meet the Hillside mission recovery Team
A dedicated team of experts to guide you towards recovery
Every lasting recovery begins with a team you can trust. At Hillside Mission Recovery, our licensed clinicians and support staff are dedicated to providing expert, compassionate care at every step. With a focus on both addiction and co-occurring mental health challenges, we deliver personalized treatment in a private, structured, and nurturing environment, ensuring each client receives the support they need to heal with confidence.

Monica Olivires, CADII
Program Director

Monica Olivires, CADII
Program Director
Why Quadrant health?
At Quadrant, your recovery is our priority. We combine proven clinical expertise with compassionate care to guide you through every stage of drug & alcohol addiction treatment. Our experienced team of licensed professionals creates personalized plans that integrate evidence-based therapies, holistic modalities, and dual diagnosis support when needed. With luxury, well-equipped facilities and a supportive, judgment-free environment, we offer more than just rehab. We offer a path to lasting transformation. Here, you’ll find the structure, flexibility, and care needed to rebuild your life, your way.