Biller name
California Water Service
HQ: San Jose, CA
Legal name
California Water Service
Website
Deferit is unaffiliated with California Water Service
Pay your California Water Service bill with Deferit
Earn 2% cashback on every bill you pay with Deferit.
Financing Option
Deferit can pay your bill now, then you pay it back later.
How to pay Payment methods Support FAQ Split into installments
California Water Service Account & Billing Support
| Department | Number / Channel |
|---|---|
| Pay by Phone Main | 888-598-9824 |
Retrieved July 2026 · Source: calwater.com/customercare/phone-numbers ·calwater.com/contact-us ·calwater.com/about-us/contact-us · current departmental phone numbers and hours of operation.
About California Water Service
California Water Service, commonly known as Cal Water, is an American company providing drinking water and wastewater services across 23 districts in California. Headquartered in San Jose, the company serves more than 484,900 customers throughout regions spanning from Northern California to Southern California, including Chico, Visalia, Bakersfield, Antelope Valley, and East Los Angeles.
California Water Service bills commonly include water consumption charges, wastewater/sewer charges, delivery and distribution fees, meter fees, and water quality surcharges. Deferit is unaffiliated with California Water Service.
How to Pay Your California Water Service Bill
- Online: Log in to https://myaccount.calwater.com/ to make a one-time or recurring payment with bank account or card.
- Phone: Call (888) 598-9824 toll-free to pay with bank account or Visa/MasterCard/Discover card.
- Mail: Send a check or money order to California Water Service, P.O. Box 7229, San Francisco, CA 94120-7229.
- Auto-Pay: Set up automatic monthly deductions from your checking or savings account at https://myaccount.calwater.com/.
- In-Person: Pay at Cal Water office drop boxes or Walmart Bill Pay locations (MoneyCenter or Customer Service Desk).
- With Deferit: pay now and split into 4 installments, once every two weeks. Learn more →
Payment Methods & Addresses
Retrieved July 2026 · Source: calwater.com/payment-options.
Need to split your California Water Service bill into installments?
Retrieved July 2026 · Source: calwater.com.
| California Water Service payment arrangement |  Deferit | |
|---|---|---|
| How to access | Check California Water Service's online account, payment portal, or customer support team for available payment arrangement options. | Sign up, take a picture of your bill, and Deferit pays it on your behalf. Online or in app. |
| Maximum split | If California Water Service offers payment arrangements, limits are set by California Water Service based on your account status. We couldn't verify a published maximum split. | 4 installments, once every two weeks, up to your Deferit balance |
| Eligibility & approval | Decided by California Water Service at request time based on account status | Monthly Deferit membership, no lock-ins. Cancel anytime. |
| Fees & interest | Fees and interest were not published in the sources reviewed. Check California Water Service's payment portal or support team before setting up an arrangement. | Monthly Deferit membership plus a $0.99 processing fee per bill. No interest. No late fees on eligible Deferit memberships.* |
| If you miss a payment | Missed-payment consequences are set by California Water Service and may include late fees, service interruption, or collection activity depending on your account. | You can reschedule a repayment date in the app before it's due. Late fees may apply depending on your Deferit membership.* |
| Works for | California Water Service bills only | California Water Service and most other US household bills |
| Learn more → |
*No late fees feature included with Max and Ultra memberships. Installments on the Lite membership may incur late fees if overdue. See Membership terms for details.
Pay your California Water Service bill with Deferit
Earn 2% cashback on every bill, redeemed off your next payment. No subscription fee.
Common Questions About California Water Service
Can I use Deferit to pay my California Water Service bill? ›
Yes. Enter your California Water Service bill amount in Deferit and we pay California Water Service in full right away. You repay us in 4 bi-weekly installments.
What payment methods does California Water Service accept? ›
California Water Service typically accepts online payments via credit card, debit card, or bank transfer. Visit calwater.com or contact their support team for the most up-to-date options.
Does California Water Service offer autopay? ›
Most billers offer automatic payment to help avoid late fees. Visit California Water Service's website or app to check whether autopay is available and how to enroll.
What do I do if I can't pay my California Water Service bill on time? ›
Contact California Water Service directly to ask about payment arrangements or hardship assistance programs. Deferit can also help — split your bill into 4 payments to ease the immediate financial pressure.
Updated: July 2026