castro valley sanitary district Effective Environmental Services Since 1939

Learn More

Latest Announcements

October 15, 2021

Join the Community Advisory Committee!

CVSan's Community Advisory Committee (CAC) represents the community's interests by providing a voice directly to the CVSan Board of Directors (Board). 
October 04, 2021

CVSan holds another successful Recycles Day!

Participants dropped off a total of 6,948 pounds of textiles and 51,297 pounds of e-waste and household hazardous waste! 
September 21, 2021

CVSan General Manager Re-elected to CASA Board

General Manager Roland Williams was recently re-elected to the California Association of Sanitation Agencies Board of Directors.
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.

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.

Meditation

arrow

Personal Care

arrow

Life Changes

arrow
The seal image for CVSan

SELECT MY PATH

Quick Links for Zero Waste Tips and Resources
All Services

Nutrition

arrow

Mental Health

arrow

Yoga

arrow

Get In Touch

 
If this is a sewer emergency, please call us!
info icon 1

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.

info icon 2

Phone

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