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Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center

Cornerstones of Maine

Treatment Center

Verified by Psychology Today Verified by Psychology Today
Portland, ME 04101
Let's Connect (207) 579-0881
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
The Young Adults We Serve
Sometimes, feeling stuck just means you’re on the edge of something new. We help young adults ages 18–30 move from potential to progress through structured residential treatment and transitional living. If you're feeling unmotivated, overwhelmed, or stuck—you’re not broken, and you're not alone. Our clients face anxiety, depression, ASD, ADHD, trauma, and more. At Cornerstones of Maine, we meet you where you are and help you build independence, confidence, and real-world skills in a supportive, community-based environment. Come as you are—and grow into who you’re meant to be.
Our Continuum of Care for Young Adults
Every young adult needs a unique path to independence. That’s why Cornerstones offers a full continuum of care—from short-term residential treatment to transitional living and aftercare. With specialized tracks including neurodivergent-affirming care, we meet clients where they are and help them grow at their own pace toward autonomy.
Step Into Life
What does success look like to you? Finishing school, landing a job, living independently, or simply building routines and relationships? Whatever your goals, Cornerstones of Maine helps young adults gain the skills, confidence, and resilience to move forward with clarity and purpose.
Call or Cornerstones of Maine now for a free 15 minute consultation - (207) 579-0881

Our Facility at a Glance

Available in-person

Deering House

Portland, ME 04101

(207) 579-0881

Shaw House

Biddeford, ME 04005

Let's Connect (207) 579-0881
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center

Our Facility at a Glance

Available in-person

Deering House

Portland, ME 04101

(207) 579-0881

Shaw House

Biddeford, ME 04005

Finances

Insurance

  • Out of Network
"
We are a licensed residential treatment program accepting private pay and out of network insurance. For more information, contact us or fill out the verification of benefits form on our website.
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call or for a free 15 minute consultation now - (207) 579-0881
"
We are a licensed residential treatment program accepting private pay and out of network insurance. For more information, contact us or fill out the verification of benefits form on our website.
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call or for a free 15 minute consultation now - (207) 579-0881

Qualifications

  • Verified by Psychology Today License: Maine / MHA735614
  • Years In Business

  • In Business for 9 years
  • Additional Credentials

  • License: Maine / MHA735614
  • Certificate from CARF Accredited 2023
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Feel free to ask about qualifications and training experience. or (207) 579-0881
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Feel free to ask about qualifications and training experience. or (207) 579-0881

Specialties and Expertise

Expertise

  • ADHD
  • Antisocial Personality
  • Anxiety
  • Autism
  • Codependency
  • Depression
  • Dual Diagnosis
  • Grief
  • Intellectual Disability
  • LGBTQ+
  • Medication Management
  • Mood Disorders
  • Obsessive-Compulsive (OCD)
  • Peer Relationships
  • Stress
  • Suicidal Ideation
  • Thinking Disorders
  • Transgender
  • Trauma and PTSD
  • Video Game Addiction
"
We help young adults ages 18-30 struggling with anxiety, depression, mood or anxiety disorders, ASD, ADHD, trauma, or social-emotional challenges. The young adults we work with have faced challenges with executive functioning skills, academics, or building relationships. We support bright individuals who feel stuck and need structure to build momentum with our hands-on, real-world approach.
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call or for a free 15 minute consultation now - (207) 579-0881
"
We help young adults ages 18-30 struggling with anxiety, depression, mood or anxiety disorders, ASD, ADHD, trauma, or social-emotional challenges. The young adults we work with have faced challenges with executive functioning skills, academics, or building relationships. We support bright individuals who feel stuck and need structure to build momentum with our hands-on, real-world approach.
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call or for a free 15 minute consultation now - (207) 579-0881

Client Focus

Participants

Individuals
Group

Communities

Bisexual Allied
Gay Allied
Lesbian Allied
Non-Binary Allied
Queer Allied
Transgender Allied

Participants

Individuals
Group

Communities

Bisexual Allied
Gay Allied
Lesbian Allied
Non-Binary Allied
Queer Allied
Transgender Allied

Programs and Services

Treatment Programs

  • Support Living
  • Transitional Independent Living Programs
  • Young Adult Residential

Out / Inpatient

  • Long Term (>30 Days) Residential
  • Short Term (<30 Days) Residential

Types of Therapy

  • Acceptance and Commitment (ACT)
  • Attachment-based
  • Cognitive Behavioral (CBT)
  • Dialectical Behavior (DBT)
  • Psychological Testing and Evaluation
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Ask about what different forms of therapy will be like. or (207) 579-0881
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Ask about what different forms of therapy will be like. or (207) 579-0881

Location

Primary Location

Deering House

Portland, ME 04101

(207) 579-0881

Additional Location

Shaw House

Biddeford, ME 04005

(207) 579-0881

Nearby Areas

Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call for a free consultation now - (207) 579-0881
Photo of Joshua Altschule - Cornerstones of Maine, Treatment Center
Cornerstones of Maine
Treatment Center
Call for a free consultation now - (207) 579-0881