There are many various types of drug and alcohol abuse rehabilitation centers in San Mateo, CA. which alcohol and drug addicted persons can be helped from. As an example, there are alcohol and drug abuse rehabilitation centers which cater to a treatment client with a short background of alcohol and drug abuse and may find luck at a short term drug and alcohol rehab facility which will call for the treatment client to remain in rehab for 30 days or less. For others there are much more extensive and long term alcohol and drug abuse rehabilitation programs which require a stay of 90 days or even longer in some cases, depending on the individual's particular case of drug abuse and other factors such as co-occurring psychological disorders. Substance abuse rehabilitation programs in San Mateo can be performed as an outpatient or as an inpatient, with inpatient alcohol and drug abuse rehab programs offering significantly superior results as a result of a higher quality of rehabilitation facility.