Go to the page that has the list of boards on this site. If you scroll down you will see some that are for specific states. There is one for Maryland. If you go there you may find your answer, or ask this question there and you will probably get a quicker answer.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .