COVID-19 Service Updates

COVID-19 Updates:
To ensure the health and safety of our customers and employees and to limit possible COVID-19 exposure, walk-in services at the Castro Valley Sanitary District (CVSan) office located at 21040 Marshall Street and the CVSan Capital Improvement Projects Office located at 20211 Patio Drive, Suite 200 will continue to be suspended until further notice. CVSan will continue to provide essential wastewater services and will respond to sewer emergencies.
  • Report sewer emergencies to (510) 537-0757 Monday – Friday, 7:00 a.m. – 4:00 p.m. or after hours at (510) 506-5821.
  • Current scheduled collection services for recycling, organics, and garbage provided by Alameda County Industries (ACI) have not been affected. Residential customers should have their containers ready for service between the hours of 6:00 a.m. – 6:00 p.m.

As the impact of COVID-19 to the community continues to develop, we will provide further service updates as needed. Customers can reach CVSan with questions at (510) 537-0757 or

For up-to-date information on ACI Services as it relates to COVID-19 please visit:

ACI offices are located at 610 Aladdin Avenue in San Leandro. When offices are open, social distancing protocols apply.  Contact ACI by phone at (510) 483-1400 or by email at for questions related to billing or services. CVSan customers can also access services online at

About CVSan: CVSan is a public agency organized under the Health and Safety Code of the State of California. As a California Special District, CVSan is responsible for the operation and maintenance of the sanitary sewer collection system within the unincorporated community of Castro Valley. CVSan is also in charge of the administration of a solid waste collection franchise, and the implementation and administration of state and local mandated recycling programs, among other duties.