The various drug and alcohol abuse rehabilitation programs which are available to alcohol and drug addicted persons in Port Costa, CA. can vary in many different ways. Some substance abuse treatment programs are offered in a residential or inpatient facility, where clients remain for the duration of their rehabilitation which supplies a more conducive treatment setting. Others provide drug and alcohol abuse rehabilitation programs on an outpatient basis which provides a sense of flexibility, though outpatient centers may not be a suitable substance abuse rehab service for individuals in Port Costa, CA. who are struggling with serious addiction difficulties. Whether or not inpatient or outpatient drug and alcohol abuse rehab services are selected, there are also different lengths of time that individuals will be asked to stay in the alcohol and drug treatment center. For instance, some short-term programs provide services for 4 weeks or less, while long-term facilities will demand at least a 90 day stay.