Most states make legal information available to the public on their official websites including:
It is unlikely that state court opinions will be available there.
When looking for legal resources on a state's official website, use the search textbox using terms such as:
State court opinions are not posted on state websites. Consider searching Fastcase for state court opinions.
Google Scholar includes a search feature for federal and state case law. To perform a search for cases in Google Scholar:
NOTE: Be sure to read the entire opinion and consider the case history and where it has been cited in other cases to evaluate whether it is still good law. Also, the cases in the database are not exhaustive.
View the tutorial the Library of Congress created to learn how to search case law in Google Scholar.