The diverse alcohol and drug abuse treatment programs which are offered to drug addicted individuals in Castaic, California can vary in many various ways. Some alcohol and drug abuse treatment services are conducted in a residential or inpatient setting, where clientele remain the entire time they are in rehabilitation which offers a more therapeutic treatment setting. Others offer drug and alcohol abuse rehabilitation services on an outpatient basis which allows for more versatility, although outpatient programs are not always a suitable drug and alcohol abuse rehab service for individuals in Castaic who are struggling with long term drug or alcohol addiction issues. Whether or not inpatient or outpatient substance abuse rehabilitation services are selected, there are varying amounts of time that individuals will be asked to stay in the drug rehab facility. For example, some short-term programs provide programs for 30 days or less, while long-term facilities will demand at least a 12 week stay.