Friendship Hall

About Friendship Hall

Project Ninety, Inc is a residential addiction treatment program in San Mateo, California providing long term substance use treatment for men recovering from alcohol and drug addiction. Grounded in the Twelve Steps and a modified therapeutic community model Project Ninety focuses on whole client recovery through accountability, peer support, and lasting sobriety.

Residential Addiction Treatment With Group Activities for Men

Project Ninety offers residential chemical dependency treatment through a modified therapeutic community, a twelve-step based program, and an intensive outpatient program. The program is tailored to each resident and serves men with a primary diagnosis of addiction or alcoholism as well as men who are dually diagnosed.

Residents attend daily meetings, work the steps, and participate in group activities and house responsibilities designed to support recovery. An alumni program and continuing support after discharge help men stay connected to recovery long after completing the primary program.

Quick Facts About Project Ninety, Inc

Location: 114 S Delaware Street, San Mateo, California.
Levels of care: Long term residential treatment and intensive outpatient program.
Who they treat: Men recovering from alcohol and drug addiction, including those who are dually diagnosed.
Approach: Twelve step philosophy, modified therapeutic community, and peer based accountability.
Setting: Structured men’s residential home with shared living and community support.
Aftercare: Alumni program and continued support after discharge.

Edited by: Kimberly Hawkins, MSc

Last Updated: August 21, 2026

Addiction Treatment Programs

Alcohol Rehab
If you’re ready to overcome alcohol use disorder, an alcohol rehab in California can give you the tools you need. Whether you need detox, inpatient treatment, or outpatient care, an alcohol program will help you build a new lifestyle based on healthy coping mechanisms, better relationships, and a new way of thinking about life.
Opioid Addiction
The goal of an alcohol rehab in California is to give you the tools and skills you need to achieve long-term recovery. During this program, you’ll work with professional counselors to deal with the psychological, emotional, and physical issues that opioid misuse can cause. Over time, you’ll learn how to live without substance use long-term.
Drug Rehab
In California, a drug rehab provides a combination of therapy and education to help clients overcome substance misuse. In a drug treatment program you’ll not only receive treatment, but you’ll participate in activities, receive peer support, and learn how to have fun without substance use.
Adult Program
An adult program in California addresses the unique needs of adults, such as finding secure housing, building a career, and raising a family. Whether you need detox, inpatient treatment, or outpatient care, an adult program will offer specific support for your emotional, mental, and social needs.
Men's Rehab
Choosing a men’s rehab in California can be a great way to manage gender-specific issues while also addressing substance use. Whether you need detox, inpatient treatment, or outpatient care, a men’s program will offer specific support for your emotional, mental, and social needs.
Young Adult Rehab
Young adult rehabs in California address a wide range of substance use issues while also helping clients transition into adulthood. Whether you need detox, inpatient treatment, or outpatient care, a young adult program will offer specific support for your emotional, mental, and social needs.

Insurance Coverage

Self-pay options
Paying the full cost of rehab in California yourself is called self-pay. Some people write a check, some electronically send payment to the treatment center, and others get a medical loan. There may be different fee structures depending on the level of care.
Sliding scale payment assistance
How do you pay for rehab in California? A good option is to look for programs with a sliding scale payment plan. You may need to provide financial documentation for your income and family size, but the lower fees will make it much easier to get the care you need.

Levels of Care

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Outpatient Rehab
Attending outpatient treatment in California allows you to get evidence-based care without living in the facility, helping you establish long-term recovery. Building a new life for yourself takes time, and it’s important to have enough support throughout the process. Outpatient treatment allows you to have more intensive or less intensive help, depending on your needs.

Therapies

Group Therapy
Attending group therapy in California is a way to overcome shame and isolation, helping you establish long-term recovery. Substance use treatment includes detox, inpatient treatment, and outpatient care, and group therapy may be a part of each of these stages. The goal is to help clients support each other, provide accountability, and relate to each other’s experiences.
Individual Therapy
During individual therapy in California, clients work with a professional to address specific individual concerns. Some of the topics covered in individual therapy include developing healthy coping skills, addressing past events that may have played a part in substance use, and building a support network.