There are several various types of substance abuse rehab services in Grass Valley, CA. which alcohol and/or drug addicted individuals can take advantage of. As an example, there are alcohol and drug abuse rehab programs in the Grass Valley, California area which work specifically with a client who has a brief history of substance abuse and might be able to receive effective help at a short term drug rehabilitation program which will only demand that the client to continue to be in rehabilitation for 4 weeks or less. Then there are far more intensive and long term substance abuse rehab services in Grass Valley, CA. which involve a stay of 3 months or more, depending on the individual's background of drug and alcohol abuse and other circumstances which may include co-occurring mental health issues. Substance abuse rehabilitation services can be done as an outpatient or inpatient, with inpatient substance abuse rehab programs providing significantly superior success rates as a result of a higher quality of rehab setting.