Pay Your Hawthorne Water Bill Only After Checking the Provider on Your Bill
Hawthorne, California does not have one simple city water payment portal for every resident. The official City of Hawthorne Resident Resources page lists water service through Golden State Water and California Water Service.
This guide helps you identify the provider printed on your bill, open the correct official payment page, avoid wrong NYC water links, call the right company, set up AutoPay, report leaks, and use local conservation programs that may lower future bills.
Hawthorne Water Utility Quick Facts
Start Here: Which Hawthorne Water Situation Matches You?
Hawthorne water billing can be confusing because two official water providers are listed by the City. Pick the situation below before you open a payment page.
How to Know Whether to Pay Golden State Water or Cal Water
Before paying, look at the company name printed on your bill. This matters because Golden State Water and California Water Service are different companies with different portals, account systems, payment options and customer support.
What you see |
Use this provider |
Why it matters |
|---|---|---|
Bill says Golden State Water or MyGSWater |
Payment must go to Golden State Water’s system for the account to post correctly. |
|
Bill says California Water Service or Cal Water |
Cal Water has its own customer portal, one-time payment and pay-by-phone number. |
|
You only searched “Hawthorne Water Department” |
Do not pay yet |
The old search result may point to the wrong city or wrong utility. Check your bill first. |
No bill, new move-in or rental change |
Call both if unsure |
Your address may be served by one provider, while another nearby address uses a different provider. |
If Your Hawthorne Bill Says Golden State Water
Golden State Water is one of the water utilities listed by the City of Hawthorne. Use Golden State Water resources if the bill, account portal or customer service information on your statement says Golden State Water or MyGSWater.
-
Open the official Golden State Water payment page.
Start here: Golden State Water Pay Your Bill. -
Use MyGSWater if you want account features.
The official site links to MyGSWater for account access, payment and customer tools. -
Check the bill details.
Confirm service address, account number, balance and due date before submitting payment. -
Call if you need help.
The City of Hawthorne Resident Resources page lists Golden State Water at 800-999-4033. -
Save payment proof.
Keep the receipt, confirmation email or screenshot until payment appears on your account.
If Your Hawthorne Bill Says California Water Service or Cal Water
California Water Service is also listed by the City of Hawthorne as a water utility contact. Cal Water offers online account payment, one-time payment, phone payment, mail payment, Automatic Payment Service, Walmart Bill Pay, Western Union and paperless billing options.
-
Open Cal Water’s official payment options page.
Start here: Cal Water Payment Options. -
Choose portal or one-time payment.
Cal Water says customers can enroll in the customer portal or make a one-time payment without an online account. -
Use pay-by-phone if needed.
Cal Water lists 888-598-9824 for phone payments using a bank account or accepted cards. -
Mail payment only when not urgent.
Cal Water lists mail payment to California Water Service, P.O. Box 7229, San Francisco, CA 94120-7229. Include your account number and do not send cash. -
Use AutoPay if you want fewer missed due dates.
Cal Water’s Automatic Payment Service deducts the amount owed from a checking or savings account each month.
Payment Options by Provider
Use this table after you confirm the provider name printed on your bill.
Payment need |
Golden State Water |
California Water Service |
|---|---|---|
Pay online |
||
Online account |
Use MyGSWater from the Golden State Water site. |
Use Cal Water’s customer portal. |
Pay by phone |
Call 800-999-4033 for provider guidance. |
Call 888-598-9824. |
Start/stop service |
Use Golden State Water Start/Stop Service resources. |
Use your Cal Water online account or contact local customer support. |
Assistance / hardship |
Use Golden State Water Assistance Programs. |
Use Cal Water Customer Assistance options. |
Start, Stop or Transfer Water Service in Hawthorne
Since Hawthorne water service may be handled by different providers, the first step is not a city form. It is confirming which provider serves the address.
-
Ask the landlord, seller or property manager for the provider name.
Look for an old bill or account transfer instruction. -
Check the City utility list.
Hawthorne lists Golden State Water and California Water Service under water utility information. -
Call the provider before move-in.
Contact Golden State Water or Cal Water with the service address and requested start date. -
Prepare documents.
Have your ID, contact details, mailing address, lease/closing date and service address ready. -
Stop service before moving out.
Confirm final bill, forwarding address and final service date with the provider printed on your bill.
Leak, No Water or Emergency in Hawthorne: Who to Call
For water emergencies, call the company printed on your bill. A city permit payment page or unrelated “water department” article will not dispatch a crew.
High Hawthorne Water Bill Checklist
A high bill in Hawthorne can happen because of actual water use, a leak, irrigation, provider billing cycle differences, payment posting issues or paying the wrong company. Check these items before calling customer service.
Have this ready before calling
- Provider name printed on your bill.
- Account number and service address.
- Current and previous bill.
- Payment confirmation if you recently paid.
- Photos or receipts if you fixed a leak.
- Notes about irrigation, guests, pool filling, pressure washing or new landscaping.
Water Conservation and Rebate Resources for Hawthorne Residents
Hawthorne’s official water conservation page points residents to West Basin and regional conservation resources. These are useful for lowering outdoor water use and preventing future high bills.
Official Hawthorne Water Bill Resources
Use these official links and contacts based on the provider printed on your bill.
Official city page listing utility contacts, including Golden State Water and California Water Service.
Open City utility listUse this if your bill says Golden State Water or MyGSWater.
Open Golden State paymentCity of Hawthorne lists Golden State Water at 800-999-4033.
Call 800-999-4033Use this if your bill says California Water Service or Cal Water.
Open Cal Water paymentCity of Hawthorne lists California Water Service at 310-257-1400.
Call 310-257-1400Cal Water lists 888-598-9824 for pay-by-phone water bill payments.
Call 888-598-9824City water conservation page with West Basin rain barrels, firescaping and landscape resources.
Open conservation pageUseful for city permits and certain city payments, but not the main water bill portal for every resident.
Open City online paymentsMap: Hawthorne City Hall Reference
Hawthorne City Hall is not the universal water bill payment office for every resident, but it can help you verify city utility resources. For bill payment, follow the provider printed on your bill.
Hawthorne Water Department FAQs
Does Hawthorne California have a city water bill portal?
The City of Hawthorne Resident Resources page lists water service through Golden State Water and California Water Service. Use the provider printed on your water bill instead of a generic city payment page.
How do I pay my Hawthorne water bill online?
Check whether your bill says Golden State Water or California Water Service. Then use that provider’s official payment portal or payment options page.
What is Golden State Water phone number for Hawthorne?
The City of Hawthorne Resident Resources page lists Golden State Water at 800-999-4033.
What is California Water Service phone number for Hawthorne?
The City of Hawthorne Resident Resources page lists California Water Service at 310-257-1400. Cal Water also lists 888-598-9824 for pay-by-phone bill payments.
Why should I check my provider before paying?
Hawthorne may have more than one listed water provider. Paying the wrong company can delay posting, create duplicate payments or leave your actual water account unpaid.
Can I set up AutoPay for my Hawthorne water bill?
Yes, depending on your provider. Cal Water offers AutoPay through its customer portal and Automatic Payment Service, and Golden State Water provides online account management through MyGSWater.
What should I do if I have no water or a leak in Hawthorne?
Call the provider printed on your bill. Golden State Water customers can call 800-999-4033. Cal Water customers should use Cal Water’s local or emergency contact guidance for their account.
Why is my Hawthorne water bill unusually high?
Common reasons include running toilets, irrigation leaks, outdoor watering, longer billing periods, previous balances, hidden leaks or payment posting issues. Check your provider portal and compare previous bills before calling.
Are there conservation resources for Hawthorne residents?
Yes. Hawthorne’s water conservation page references West Basin rain barrel programs, firescaping workshops, free landscape classes and regional water-saving resources.
Is WaterBillGuide.us the official Hawthorne water provider?
No. WaterBillGuide.us is an independent informational guide. It does not process payments, access accounts, restore service, approve assistance or represent Golden State Water, California Water Service or the City of Hawthorne.
Best Next Step for Hawthorne Water Customers
Look at the logo and provider name on your latest bill first. If it says Golden State Water, use Golden State Water. If it says California Water Service or Cal Water, use Cal Water. If you are not sure, call the provider numbers listed by the City of Hawthorne before paying.
Editorial Review and Independent Guide Disclaimer
This replacement article was rewritten because the existing Hawthorne post used New York City water department information that does not match Hawthorne, California. This version uses the City of Hawthorne Resident Resources page and official Golden State Water, Cal Water and city conservation resources.
WaterBillGuide.us is not the City of Hawthorne, Golden State Water or California Water Service. We do not process payments, access customer accounts, restore service, approve payment plans, waive fees or dispatch crews. For account-specific help, use the provider printed on your bill.
Official resources checked include the City of Hawthorne Resident Resources page, City Water Conservation page, Cal Water Payment Options page, Golden State Water official website, Golden State Water pay bill resources and city utility contact listings.

Editorial Team
WaterBillGuide.us
The content on WaterBillGuide.us is researched and prepared by our editorial team. Our writers and researchers review publicly available information from official utility websites and service portals to create clear, step-by-step informational guides.
Water Bill Payment, Leak & Utility Help Toolkit
Use this free helper to find the official water bill portal, avoid unsafe payment pages, handle late bills, troubleshoot high usage, prepare start/stop service documents, and contact the utility office with the right details.
Official Water Bill Portal Finder
Enter your city, state, and utility name. This tool creates safe search shortcuts for the official bill pay portal, customer service page, outage line, and start/stop service page.
Safe Water Bill Payment Checklist
Before paying online, use this checklist to reduce the risk of wrong payment, duplicate payment, missed receipt, or third-party confusion.
Late Bill, Shutoff Notice & Reconnection Action Plan
Select your situation and get practical next steps. This helps users act quickly without guessing.
High Water Bill & Leak Troubleshooter
A high bill can be caused by leaks, irrigation, estimated readings, seasonal use, or account/meter issues. Choose the closest problem below.
Start, Stop or Transfer Water Service Checklist
Moving in or out? Choose your situation and prepare the details most utilities commonly request.
Your preparation checklist
Payment Assistance & Arrangement Finder
If you cannot pay the full water bill, this guide helps you decide what to ask before disconnection or extra fees.
Water Department Call Script Generator
Generate a clear call or email script before contacting the utility billing office.