You can reach us at 925-688-8000 during regular business hours or send us an email.
Water emergency? To report suspicious activity, or to report leaks in the street, we are available 24/7 at 925-688-8374.
Contra Costa Water District1331 Concord AvenueConcord, CA 94520
Monday – Thursday8:00 am – 11:30 am and1:00 pm – 5:00 pmFriday8:00 am – 11:30 am and1:00 pm – 4:00 pm
Contra Costa Water DistrictP.O. Box H20Concord, CA 94524