Contact Us

RethinkWaste Office
(650) 802-3500
610 Elm Street, Suite 202, San Carlos, CA 94070
For press/media inquiries, please contact our Outreach & Communications Manager.

NOTE: To minimize the risk and exposure to COVID-19, RethinkWaste’s administrative offices are closed, but Staff continues to conduct business remotely and there may be a slight delay in returning correspondences. We apologize for the inconvenience.


For questions about your Recycle, Compost, and Garbage services and billing:

For the San Mateo County’s Household Hazardous Waste Collection Program:

For questions about the Shoreway Environmental Center:

For general recycling information, green tips, recycling search, home composting, and other resources:

Unsure of who to contact with your question or comment? Contact RethinkWaste today by filling out the form below.