About Stillwater Behavioral Health in Orange County
Find Your Still Water
Mental health challenges often feel like turbulence — racing thoughts, persistent worry, a sense of disconnection from yourself and the people around you. At Stillwater Behavioral Health, we believe healing begins the moment that turbulence starts to settle. Just as still water reveals what's hidden beneath the surface, a quieter mind creates space for clarity, hope, resilience, and growth. We exist to help people throughout Orange County find that stillness — and to remind them they never have to do it alone.
Our Philosophy
Just as still water reflects clearly, a calm mind creates space for clarity, resilience, connection, and growth. Our purpose is to help every person move from overwhelm to stability — through exceptional clinical care, meaningful relationships, and a community where no one has to navigate life's challenges alone.
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Our Mission
To help people quiet the noise of mental illness, rediscover clarity, and build meaningful lives through compassionate, evidence-based care and the strength of authentic community.
Our Vision
To become the community where individuals find clarity, connection, and confidence as they build healthier minds and more fulfilling lives.
What Guides Our Care
Everything we do is built around four pillars:
Find Stillness
Quieting anxiety, depression, trauma, and emotional overwhelm.
Build Connection
Healing happens in relationships. Community is medicine.
Excellence
Evidence-based care with the highest clinical standards.
Hope
Healing is possible for everyone.

Our Approach to Treatment
Treatment at Stillwater Behavioral Health is never one-size-fits-all. We use evidence-based modalities — CBT, DBT, and EMDR — tailored to your diagnosis, history, and goals across our PHP, IOP, and outpatient programs.
Our Team
Our clinical team is made up of licensed professionals — LMFTs, LCSWs, PsyDs, and MDs — trained across the modalities and conditions we treat.
Serving All of Orange County
Located in Costa Mesa, Stillwater Behavioral Health is easily accessible to clients throughout Orange County, including Newport Beach, Irvine, Huntington Beach, Fountain Valley, and surrounding communities.
Frequently Asked Questions
Do I need a referral to start treatment?
No. Reach out directly, and our team will guide you through the assessment and admissions process.
Is treatment personalized to me, or is everyone on the same track?
Never one-size-fits-all. We build each plan around your diagnosis, history, and goals, drawing on modalities like CBT, DBT, and EMDR as appropriate.
Can I move between levels of care if my needs change?
Yes. Many clients move between PHP, IOP, and outpatient care as they stabilize, all without switching providers.
What ages do you treat?
Stillwater BHC treats adults.
What makes Stillwater Behavioral Health different from other treatment centers?
We offer PHP, IOP, and outpatient care under one roof, so you can move between levels of care as your needs change without switching providers. Every treatment plan is built around you, not a fixed curriculum.