castro valley sanitary district Effective Environmental Services Since 1939

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Latest Announcements

September 16, 2020

CVSan: Earn A Coupon for A New Motor Oil Filter

Do you change your own oil and live in a single-family home? From October 12th to November 20th, you can participate in CVSan’s award-winning Used Motor Oil Filter Exchange Program to receive a coupon for a new oil filter.

September 01, 2020

CVSan Closed on Labor Day

Castro Valley Sanitary District (CVSan) offices will be closed on Monday, September 7th in observance of Labor Day
August 26, 2020

CVSan Featured in "Meeting the Moment" Video

Check out CVSan’s Senior Collection System Maintenance Worker Kevin Dip, who appears in the new collaborative video “Meeting the Moment.”
August 19, 2020

Help CVSan Nominate 4R Star Employees For Awards!

Go online and share your stories about stellar employees (or businesses), practicing the 4Rs. CVSan will read your stories to award several 4R Star Employees and recognize them with awards!

August 10, 2020

CVSan's General Manager Nominated for Fourth Two-Year Term as President of the ACSDA

CVSan’s General Manager (GM) Roland Williams has recently been nominated and successfully elected to serve his fourth consecutive two-year term as President of the Alameda County Chapter of the California Special Districts Association (ACSDA).

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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