The diverse drug and alcohol abuse rehab services which are offered to drug and alcohol addicted persons in Placentia, California can differ in a lot of different ways. Some drug and alcohol abuse rehab services take place in a residential or inpatient location, where clientele remain for the duration of their treatment which provides a more therapeutic treatment environment. Others provide substance abuse rehabilitation programs on an outpatient basis which allows for more versatility, although outpatient programs may not be an appropriate alcohol and drug abuse rehabilitation program for people in Placentia who are struggling with serious addiction difficulties. Regardless of whether inpatient or outpatient alcohol and drug abuse rehab services are selected, there are varying amounts of time that people will be required to remain in the alcohol and drug rehab center. For example, some short-term programs offer programs for a month or less, while long-term programs will call for at least a 12 week stay.