The Harris County Elections Administrator's Office has the responsibility of carrying out statutory electoral functions outlined by federal and state laws. Some of the electoral functions include:

• Providing training to all Presiding and Alternate Election Judges to ensure the proper execution of state and federal election law during each county/federal election;
• Creating the ballot for county, state and federal elections in a manner provided by the state law;
• Establishing the number of early voting locations in Harris County and schedule of voting hours (subject to approval by Commissioners Court);
• Securing Election Day polling locations (subject to approval by Commissioners Court);
• Securing the County’s election equipment and maintenance of equipment;
• Accepting requests for ballots to be sent by mail and processing all returned ballots for tabulation;
• Storing official campaign disclosure forms for local candidates;
• Archiving official election results and voter histories for Harris County and reporting this information to the Secretary of State for district, statewide, and federal offices.