RethinkWaste, also known as the South Bayside Waste Management Authority (SBWMA), is a joint powers authority formed by eleven local government jurisdictions (City of Belmont, City of Burlingame, City of East Palo Alto, City of Foster City, Town of Hillsborough, City of Menlo Park, City of Redwood City, City of San Carlos, City of San Mateo, the County of San Mateo and the West Bay Sanitary District) in San Mateo County, California. These jurisdictions are known as the RethinkWaste Member Agencies and was formed in 1982. 

*Starting January 1, 2021, the Town of Atherton is no longer be a part of the RethinkWaste Joint Powers Authority.


RethinkWaste is governed by a Board of Directors comprised of one elected official from each of our Member Agencies. The staff is managed by Executive Director Joe La Mariana who reports directly to the Board. Our Board and Staff are responsible to the rate payers.



  1. Owns and manages the Shoreway Environmental Center in San Carlos, California which receives all the recyclables, green waste and garbage collected from the Member Agencies. 
  2. Provides strategic oversight, support and management of service providers that collect, process, recycle and dispose of materials on behalf of RethinkWaste. 
  3. Educates Member Agency residents and businesses through innovative and cost-effective waste reduction, recycling and solid waste programs. 
  4. Advocates for environmental best practices through policy and legislation.


Recology San Mateo County provides Recycle, Compost and Garbage collection services for the 428,000 RethinkWaste residents and 11,000 businesses. 

South Bayside Industries (SBI) operates the Shoreway Environmental Center in San Carlos, California on behalf of RethinkWaste.


RethinkWaste’s administrative offices are located at 610 Elm Street, Suite 202 in San Carlos, California on the second floor of the San Carlos Library.

The Shoreway Environmental Center is located at 333 Shoreway Road in San Carlos, California.