The various substance abuse rehab services which are offered to alcohol and drug addicted people in Mountain View can vary in many different ways. Quite a few substance abuse rehabilitation services take place in a residential or inpatient setting, where clientele reside for the duration of their rehabilitation which provides a more conducive rehab setting. Others provide drug and alcohol abuse rehabilitation programs on an outpatient basis which provides a sense of versatility, although outpatient programs may not be a suitable substance abuse rehab service for men and women in Mountain View who are struggling with long term addiction problems. Whether or not inpatient or outpatient substance abuse rehab programs are chosen, there are varying amounts of time that men and women will be expected to continue to be in the drug and alcohol rehabilitation facility. For example, quite a few short-term programs offer services for 4 weeks or less, while long-term facilities will demand at least a 90 day stay.