castro valley sanitary district Effective Environmental Services Since 1939

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Latest Announcements

September 15, 2021

Earn A Coupon for A New Motor Oil Filter

Do you change your own oil and live in a single-family home? From October 11th to November 19th, you can participate in CVSan’s Used Motor Oil Filter Exchange Program to receive a coupon for a new oil filter.

September 01, 2021

Labor Day Holiday

CVSan offices will be closed on Monday, September 6th in observance of Labor Day.
August 25, 2021

CVSan wins Award of Excellence

The California Association of Sanitation Agencies (CASA) recently recognized Castro Valley Sanitary District (CVSan) and Oro Loma Sanitary District with an Award of Excellence as the recipient of the 2021 Outstanding Capital Project – Large Agency award for the recently completed Nutrient Optimization Project.

August 11, 2021

ACI Receives California Green Business Certification

Castro Valley Sanitary District (CVSan)’s solid waste collection and processing contractor, Alameda County Industries (ACI), officially received California Green Business Certification in July. 
July 28, 2021

CVSan Recognizes Tim DeForest with Good Green Attitude Award

As the Custodian Good Green Attitude award winner, Mr. DeForest exemplifies a spirit of stewardship for waste reduction. 

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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