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East Palo Alto HHW Drop-Off Event
August 16, 2025 @ 8:30 am - 12:15 pm
Drop-off appointments are free for all San Mateo County residents. Here are the steps you need to take:
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IMPORTANT NOTICE – Nitrous oxide (laughing gas) canisters are not accepted through the San Mateo County Household Hazardous Waste Program. Please Contact Blueline Transfer Station at (650) 589-4020 for full acceptance requirements.
- Review the program rules and requirements and list of items that are and are not accepted through the program.
- Choose a day, time, and location that’s convenient for you using our online appointment system. Or you may call 650-372-6200 to make an appointment. Your name and address are used strictly to confirm that you live in San Mateo County. This information is not shared with anyone or for any other purpose.
- Arrive at the drop-off location that is sent to you once you finalize your appointment at the selected appointment day and time.
- Once at the drop-off location, stay inside your vehicle at all times. Our friendly professional staff will unload your vehicle while you wait.
Prepare for your appointment by following appointment procedures below click here to read our appointment FAQs.
