castro valley sanitary district Effective Environmental Services Since 1939

Learn More

Latest Announcements

July 16, 2021

CVSan Recognizes Anita Orosco with the Custodian Reduce and Reuse Award

As the Custodian Reduce and Reuse award winner, Ms. Orosco has demonstrated her dedication to preserving the environment with creativity and responsibility. Her work is an important contribution to improving the waste reduction program at CVHS.

July 14, 2021

Financial Assistance for Private Sewer Lateral Replacements Available for Castro Valley Homeowners

$50,000 in total funding has been allocated to the program. CVSan is offering financial assistance to qualified applicants to replace your entire defective private sewer lateral (lateral) at 50% of the approved cost, up to a maximum reimbursement of $2,000 per lateral.
July 08, 2021

CVSan’s Operations and Engineering Building Project Update

CVSan is pleased to announce that the West County Board of Zoning Adjustments (BZA) voted 3-1 to approve CVSan’s proposal to construct a new Operations and Engineering Building at the former Cal Trans Corporation Yard site, which is located at the intersection of Center Street and East Castro Valley Boulevard.
July 07, 2021

Another Successful Textile Collection Week!

A grand total of 19,420 pounds of textiles was collected and diverted from the landfill! 
June 25, 2021

CVSan Announces Solid Waste Collection Service Rate Decrease

 CVSan is pleased to announce a rate decrease for solid waste collection services. These changes will be effective July 1, 2021



Selling Online


Shopping Online

The seal image for CVSan


Quick Links for Zero Waste Tips and Resources
All Services



Social Media




Get In Touch

We will get in touch as soon as we can
info icon 1


21040 Marshall Street
Castro Valley, CA 94546

Monday - Friday
7:00 a.m. - 11:00 a.m.
12:00 p.m. - 4:00 p.m.

info icon 2


Office Hours: (510) 537-0757
After Hours: (510) 506-5821