District offices will be closed on Monday, September 5th in observance of Labor Day. Trash collection will be delayed by one day and every day thereafter during the holiday week.

CMSD's response to Mesa Water District's Optimal Governance Structure Study


Protecting our community's health and the environment by providing solid waste and sewer collection services.

Meet the CMSD Wastewater Division: (From left to right) Brandon Hickman, Tony Gomez, Alex Arreola, Joel Ortiz, Steve Cano, Jesse Blakely, and Brandon Joseph. DSC 0909

Costa Mesa Sanitary District (CMSD) provides curbside trash collection and sewer services to residents in the city of Costa Mesa, portions of Newport Beach and unincorporated sections of Orange County. CMSD has received several awards, most notably the District of Distinction Accreditation by the Special District Leadership Foundation, one of the most prestigious local government awards in the state of California.

Costa Mesa Sanitary District Headquarters Hours
628 W. 19th Street, Costa Mesa, CA 92627
Hours: Monday - Thursday 7:30 a.m. to 4:30 p.m.
Friday 7:30 a.m. to 3:30 p.m.

Costa Mesa Sanitary District Yard Facility
174 W. Wilson Street
Costa Mesa, CA 92627

Agendas and Meetings

Agendas and Meetings held by the CMSD are available to the public.
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Transparency

pairCosta Mesa Sanitary District  is committed to conducting business with transparency.

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Calendar of Events

Public Meetings, Workshops, District Events, and Service Changes due to holidays.
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Organics Recycling

recycleCMSD is the first agency in Southern California to provide an Organics Recycling Program.
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