castro valley sanitary district Effective Environmental Services Since 1939

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Latest Announcements

July 06, 2020

CVSan Recognizes Mario Baker with Custodian 4Rs Educator Award

This year, the Custodian 4Rs Educator Award went to Custodian Mario Baker at Castro Valley Elementary School (CVE).

June 26, 2020

CVSan Recognizes Rob Aguilar with Good Green Attitude Award

This year, the Custodian Good Green Attitude Award was given out to Custodian Rob Aguilar at Castro Valley Adult and Career Education (CVACE) School.

June 24, 2020

CVSan's Textile Collection Week Results

A grand total of 34,020 pounds of textiles was collected and diverted from the landfill!
June 24, 2020

Fourth of July Holiday

Castro Valley Sanitary District (CVSan) offices will be closed on Friday, July 3rd in observance of Independence Day.
June 24, 2020

ACI Offices Now Open

Residents and businesses are welcomed to visit the office to pay a bill, purchase ACI products, ask questions related to ACI services, and more.

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Address

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.

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Phone

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