Please bring unused, non-controlled medications to the drop box location at the Costa Mesa Sanitary District headquarters (290 Paularino Avenue, Costa Mesa, CA 92626) during office hours - Monday through Thursday 7:30 a.m. to 4:30 p.m. and every other Friday from 7:30 a.m. to 3:30 p.m.
*CMSD's drop box is closed to the public due to the COVID-19 pandemic. As an alternative, please utilize Walgreens Pharmacy at 1726 Superior St, Costa Mesa, CA 92627 (949-629-9714) or any of the Orange County Medication Drop Boxes.
Only non-controlled medications (such as over-the-counter, prescription, antibiotics, and cold and flu medications) can be placed in this drop box. Medications should be kept in their original containers. Controlled substances are not accepted in the drop box. For a full list of controlled substances, visit the Drug Enforcement Administration's website HERE. Most prescriptions for controlled substances will have a large letter "C" on the prescription label.
How else can I dispose of my medications?
• All medications, including controlled substances, will be accepted at various Orange County drop sites during National Prescription Drug Take-Back Days in April and October of each year. For details and locations, check with your local police department, the Orange County Sheriff's Department, or contact the Drug Enforcement Administration at (800) 882-9539.
• Put unwanted or expired medications in a zip bag. Pour hot water into the bag. Add kitty litter, soil, or tissue paper to soak up the liquid. Place the entire bag into the mixed waste trash cart. For step-by-step instructions, click HERE.