There are a number of various types of substance abuse treatment facilities in Castro Valley which drug and alcohol addicted clients can benefit from. For example, there are drug and alcohol abuse rehab programs in the Castro Valley, California area which cater to a client with a short background of drug and alcohol abuse and may be able to receive effective help at a short term drug and alcohol rehab program which will require the client to remain in rehabilitation for about a month or less. Then there are far more intensive and long term substance abuse treatment centers in Castro Valley which involve a stay of 3 months or more, depending on the client's background of alcohol and drug abuse and other factors such as co-occurring mental health disorders. Drug and alcohol abuse rehab services can be completed as an outpatient or inpatient, with inpatient drug and alcohol abuse treatment programs providing substantially better results due to a higher quality of rehab facility.