Cal-Am Water Bill Pay Help
Use this guide if your water or wastewater bill is from California American Water, often searched as Cal-Am Water, and you need the official way to pay online, by phone, by mail, in person, or through MyWater.
The safest route is to start from California American Water’s official billing page, then choose MyWater, one-time payment, phone payment, mail, or an authorized barcode payment location.
Quick Answer: Best Way To Pay Cal-Am Water Bill
Use MyWater to pay, check balance, set Auto Pay, see usage, and manage paperless billing.
Use amwater.com/billpay without registering. Have your account number ready.
Call 1-855-748-6066 with your 16-digit account number.
Send payment stub to California American Water, PO Box 7150, Pasadena, CA 91109-7150.
Cal-Am Water Payment Options at a Glance
Choose based on speed, proof, account tools, and whether the account is normal, disputed, or past due.
| Payment method | Official detail | Best for | Do not miss |
|---|---|---|---|
| MyWater | Pay bill, Auto Pay, Paperless Billing, account balance, alerts, service on/off and usage tracking. | Regular customers who want account control. | Have your account number handy if logging in for the first time. |
| One-time online payment | Use amwater.com/billpay without registering. | Quick payment when you do not want a login. | Have the account number ready and verify service address. |
| Phone payment | Call 1-855-748-6066 to pay by card or electronic check. | Customers who prefer phone payment. | Use the 16-digit account number shown on the bill. |
| California American Water, PO Box 7150, Pasadena, CA 91109-7150. | Non-urgent check or money order payment. | No cash, staples, or paper clips. | |
| In-person barcode payment | Use the barcode on your California American Water bill at authorized payment locations. | Customers who want checkout-style payment. | The barcode is unique to your account; bring the bill and know the amount due. |
| Third-party bill handler | California American Water can send bill copies, reminders, past-due and shutoff notices to a third party. | Customers helped by a relative, trustee or social service organization. | Add the third party through MyWater or by calling 888-237-1333. |
How To Pay California American Water Bill Online
Start on the official Cal-Am page
Open California American Water Billing & Payment Info and choose MyWater or one-time bill pay.
Log in or register
Use MyWater if you want account balance, usage history, Auto Pay, Paperless Billing and alerts.
Use guest payment only when simple
Use one-time payment if you only need to pay quickly and the account number and service address clearly match.
Check account and amount
Before submitting, verify the 16-digit account number, customer name, service address, balance, due date and payment method.
Save proof
Keep confirmation number, screenshot, payment date, amount and method until MyWater shows the balance updated.
Phone, Mail and In-Person Payment Details
Pay by phone
Call 1-855-748-6066 to pay by Visa, MasterCard, Discover, American Express, or electronic check. Have your 16-digit account number ready.
Pay by mail
Send payment with payment stub to California American Water, P.O. Box 7150, Pasadena, CA 91109-7150.
Pay in person
Use the barcode on your bill at authorized payment locations. Bring the bill and know the amount due.
Past-Due Cal-Am Bill, Disconnection Notice or Dispute
Call first: Customers who receive a bill or notice that residential service will be disconnected for non-payment should call California American Water Customer Service at 888-237-1333 to make arrangements.
60-day delinquency rule
California American Water may discontinue water service 60 days after a bill becomes delinquent.
Notice before shutoff
The company provides written notice to customers and residents no less than 10 days before discontinuance.
Installment help
Customers may request deferred or installment payments for up to 12 months, subject to eligibility.
Read the notice
Check amount due, notice date, service address, account number, payment deadline and contact instructions.
Call 888-237-1333
Ask for the exact amount needed, payment arrangement options, installment plan eligibility and whether payment will stop service action.
Dispute quickly if needed
California American Water says disputed-charge investigation requests made within five days of receiving a contested bill will be reviewed.
California American Water Assistance Programs
Payment arrangements
If you cannot pay by the due date, call immediately. Arrangements may require at least 25% of the bill within 48 hours of the call.
Customer Assistance Program
Eligible residential customers may receive a monthly discount on water or wastewater charges.
Hardship Grant
Residential customers with a shutoff notice may qualify for income-based assistance to remain connected to essential water service.
High Cal-Am Water Bill? Check Leak Adjustment and Usage
Adjustment request
California American Water may provide an adjustment for high bills caused by excessive water use. The issue should be resolved before applying.
Six-month deadline
Adjustment requests must be submitted within six months of the occurrence.
Processing time
California American Water asks customers to allow up to 20 business days for processing.
| High-use scenario | What Cal-Am says may qualify | What to collect |
|---|---|---|
| Leak at property | Interior plumbing/appliance leaks and outside service-line leaks. | Repair invoice, photos, dates, plumber note, usage record. |
| High use — cause known | Example: irrigation equipment accidentally left on. | Cause, dates, correction proof, current and previous bills. |
| High use — cause unknown | Single billing-period high use that returns to normal with no determined cause. | Usage history, meter data, bill copies and investigation notes. |
Start, Stop or Manage Cal-Am Service
Turn service on
- Use MyWater or call 888-237-1333.
- Have service address ready.
- Know start date.
- Keep account confirmation.
Turn service off
- Use MyWater or customer service.
- Provide final service date.
- Give forwarding address.
- Confirm final bill handling.
Alerts and emergency
- Sign up for alerts in MyWater.
- Call 24/7 for water emergencies.
- Use prompts like “No Water” or “Water Leak.”
- Keep phone and email updated.
Cal-Am Water Scam and Wrong-Payment Warning
Red flags
- Caller threatens immediate disconnection.
- Someone demands payment for equipment replacement.
- Email requests Social Security number or personal financial information.
- Door visitor claims emergency inspection but cannot verify identity.
- Payment link does not come from American Water, MyWater or the official payment vendor.
Safe response
- Do not click suspicious links.
- Do not share OTPs, passwords or bank login.
- Call 888-237-1333 using the official contact number.
- Use MyWater or official California American Water payment pages.
- Report suspicious activity if needed.
California American Water Offices and District Map
California American Water has multiple district offices. Use the map for location research only; call customer service for billing, payment, service status or emergency help.
| Office / district | Official address listed by California American Water | Use for |
|---|---|---|
| San Diego County District | 1025 Palm Avenue, Imperial Beach, CA 91932 | District reference; call before visiting. |
| Sonoma County District | 4787 Old Redwood Highway, Santa Rosa, CA 95403 | District reference; call before visiting. |
| Monterey County District | 511 Forest Lodge Road #100, Pacific Grove, CA 93950 | District reference; call before visiting. |
| Los Angeles County District | 8657 Grand Avenue, Rosemead, CA 91770 | District reference; call before visiting. |
| Sacramento District | 4701 Beloit Drive, Sacramento, CA 95838 | District reference; call before visiting. |
| Hillview Office | 40312 Greenwood Way, Oakhurst, CA 93644 | Hillview area reference. |
| Ventura County District | 2439 West Hillcrest, Newbury Park, CA 91320 | District reference; call before visiting. |
| Corporate Headquarters | 655 W Broadway, #1410, San Diego, CA 92101 | Corporate reference, not a bill-payment mailing address. |
USA Water Department Map: Find Your Local Billing Office
Use this USA-wide map for general water department and utility billing office research. For Cal-Am customers, use California American Water official links for real payment, account balance and service decisions.
Use map for location
Map results can help find nearby water offices, but they do not prove which provider serves your address.
Match your bill
If your bill says California American Water or Cal-Am, use MyWater, amwater.com/billpay, or the official customer service phone numbers.
Avoid wrong portals
Do not enter your 16-digit account number into a random local bill-pay store or unofficial payment page.
Official California American Water Links Used Here
Cal-Am Water Pay Bill FAQs
Where do I pay my Cal-Am Water bill online?
Use California American Water’s official Billing & Payment Info page, MyWater at login.amwater.com, or the official one-time bill-pay link at amwater.com/billpay.
What is the California American Water phone payment number?
Call 1-855-748-6066 to pay by Visa, MasterCard, Discover, American Express, or electronic check. Have the 16-digit account number from your bill ready.
What is the Cal-Am customer service number?
Call 1-888-237-1333. Call-center hours are Monday–Friday, 7 a.m.–7 p.m. Self-service and emergency reporting are available 24/7. TDD reference is 711.
Where do I mail a California American Water payment?
Mail payment with payment stub to California American Water, P.O. Box 7150, Pasadena, CA 91109-7150. Do not send cash, staples or paper clips.
Can I pay California American Water in person?
Yes. Use authorized payment locations that accept the barcode on your California American Water bill. Bring your bill and know the amount due.
Is there still a credit-card transaction fee?
California American Water says the previous $1.95 third-party transaction fee for paying by credit card has been eliminated.
What happens if my Cal-Am bill is past due?
California American Water may discontinue service 60 days after a bill becomes delinquent and provides written notice at least 10 days before discontinuance. Call 888-237-1333 to discuss options.
Can I get a payment arrangement?
Yes, eligible customers may request deferred or installment payments for up to 12 months. Bill-paying assistance arrangements may require at least 25% paid within 48 hours of the call.
Can I request a high-bill adjustment?
California American Water may provide an adjustment for high bills caused by excessive water use. The issue should be resolved first and the request must be submitted within six months of the occurrence.
Is WaterBillsPay.org the official Cal-Am payment site?
No. This is an independent informational guide. Use California American Water’s official website, MyWater, amwater.com/billpay, or official customer service numbers for real payments, balances and service decisions.
Pay Your Water Bill Safely, Fix High Bills, Avoid Shutoff, Start Service and Find Official Utility Links
Use this free USA water bill assistant before paying online, calling utility billing, setting up AutoPay, checking a high bill, requesting leak help, starting or stopping service, handling a past due account, or searching for the official city utility portal.
What water bill problem do you need to solve?
Choose your situation. The tool will suggest the safest route, what to prepare, and which official page or office to check first.
Open the official city, county, water authority or utility website first. Do not enter account details into a random sponsored payment page.
If the bill is unusually high, compare usage, billing days, meter read type, toilet leaks, irrigation, late fees and leak adjustment rules before paying blindly.
Safe Water Bill Payment Route
Choose how you want to pay. This helps users avoid wrong portals, posting delays and urgent shutoff mistakes.
AutoPay / Bank Draft Setup Helper
Use this before enrolling in recurring payments so the first draft, current balance and payment date do not surprise you.
High Water Bill Review
Compare your normal bill and usage with the current bill. This gives a practical path before requesting a high bill review.
Leak Adjustment Proof Checklist
Use this before asking for a leak adjustment, high bill review, sewer adjustment or payment plan.
Past Due, Shutoff Notice and Reconnect Helper
Use this if your bill is late, you received a shutoff notice, service is off, or you need a payment plan.
Start, Stop or Transfer Water Service
Use this before moving, closing an account, starting service, transferring service or requesting a final bill.
Water Bill Cost Estimate
Estimate a simple monthly bill from base charge, water usage, sewer, stormwater, trash, service fees and late charges. Official tiered rates may be different.
Bill Dispute and Meter Reading Checklist
Use this before calling billing support about a meter reading, duplicate payment, wrong address, missing payment, estimated bill, or incorrect charge.
Official Water Bill Portal and Phone Finder
Enter city/utility and state to create safe searches for official water bill pay, phone payment, guest pay, AutoPay, start service, leak adjustment, reconnect, assistance and this site’s guide.
Official portal safety
- Use official city, county, authority or utility websites first.
- Check service address before paying.
- Save confirmation number and screenshot.
- Call the utility for shutoff or reconnect situations.
Best sitewide placement
Place this tool after the first payment section or before FAQs. It turns every water bill article into a practical help page, not only a list of links.
Important note
This tool gives educational guidance only. Always confirm payment portals, fees, shutoff rules, assistance programs, account balance and reconnection steps with the official utility.