The Costa Mesa Sanitary District is committed to conducting business with transparency. As a result, the District has been awarded the District Transparency Certificate of Excellence annually since 2013 by the Special District Leadership Foundation, recognizing our commitment to transparency in operations and governance. The information below is designed to provide easy access to our agency's information, so we invite you to review each topic. If you are unable to find the information you are looking for, please feel free to contact our District Clerk's Office  and submit a request to obtain specific records.