The Cook County State's Attorney's Office prosecutes crimes committed in Cook County, the largest consolidated court district in the U.S.; serves as legal counsel for Cook County government agencies; and serves as legal counsel for all Cook County public officials.

The Clerk of the Circuit Court of Cook County is the keeper of the records of the Court. The Clerk is responsible for serving the court, the legal profession and the general public by recording court decisions and events; handling fines, bail bonds and other financial transactions; and supporting the court system with record storage, microfilming, automation and other services.

The Metropolitan Water Reclamation District (MWRD) is governed by a nine-member board elected at-large with three commissioners elected every two years. During the March 15 primary, some candidates will run for six-year terms, while others will run for terms that last two years.

The Cook County Board of Review is a three-member board, elected from three electoral districts, that hears and decides taxpayer complaints on assessed value or exempt status of real property in Cook County. In 2016, a one commissioner each from two of the three districts will be elected.

The office of the Recorder of Deeds records, stores and provides information that is accurate, legible, timely and easily retrievable for public and private use. The office also creates public records of land transactions, federal and state tax liens, articles of incorporation, and uniform commercial code filings.