Castro Valley Sanitary District | Effective environmental services since 1939

Cut waste by using reusables , click above for more

Volunteer to help at the Fall Festival, click for more.

Our Lateral Grant Replacement Program started 7/7.

CVSan turns 75 on July 25th. Come celebrate with us.

CVSan Recycles Day is 8/9 from 8:00 a.m. to 2:00 p.m.

Click above for more on construction updates.

Learn what you need to know about CVSan's Wastewater services here

View CVSan's Sanitary Sewer Management Plan (SSMP) here

View info on the Lateral Replacement Grant Program here

Click here to learn about what goes in your carts.

Do you have a customer service request? Click here to complete a call back form.

Waste Management services on a normal schedule this week.

Repair Permits are now $160.00 & includes 2 site visits.

For more information, click here

What is Zero Waste?

Click here to find out more & what CVSan is doing.

Need a sewer permit, plans checked, or have questions about the location of your lateral? You...