Pay Your Anne Arundel County Water Bill, Avoid Payment Mistakes, or Get Billing Help
Anne Arundel County water and wastewater customers use the county’s official utility billing system for online payment, AutoPay, billing lookup, mail payment and customer service. This guide helps you choose the correct county resource instead of using a third-party bill-pay page by mistake.
Use it when you need to pay online, pay by phone, mail a payment, ask about a missing bill, request a leak adjustment, update utility billing name/address details, check water relief resources or report a water/sewer emergency.
Choose Your Anne Arundel County Utility Billing Task
A county water bill search can mean more than making a payment. You may need to find a missing bill, schedule AutoPay, fix a high bill, update tenant information, report a water emergency or request a leak adjustment.
How to Pay an Anne Arundel County Water or Wastewater Bill Online
The county’s online utility billing system lets customers view bills and make payments online. It accepts credit card and eCheck payments, and the county says payments may show as pending before appearing on the account.
-
Open the official utility billing portal.
Use the county’s portal here: Anne Arundel County Utility Billing. -
Search for your utility bill.
Use the customer, address or account information from your current bill. Do not guess if the address or customer result looks wrong. -
Review the bill and convenience fee.
Check the water/wastewater bill amount, account details, service address and any fee shown before submitting. -
Pay by card or eCheck.
Choose the payment method that fits your situation. If your bank payment cannot process, the county Citizen Self Service notice says a returned check fee may apply. -
Save your confirmation.
Keep the confirmation number because the county says online payments may show as pending and appear on the account within two business days.
Anne Arundel County Water Bill Payment Options
Choose the payment method based on urgency. Online and phone payments are convenient but subject to convenience fees. Mail and drop-off payments may be slower and are not ideal for urgent account issues.
Payment method |
Official detail |
Best practical use |
|---|---|---|
Online utility portal |
Best for viewing the bill, paying online and saving confirmation. |
|
Pay by phone |
Useful when you prefer phone payment and have account/payment information ready. |
|
Mail |
A.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003 |
Non-urgent check/money order payments. Allow mailing and processing time. |
Cashier office/drop-off |
County cashier office options and drop-off box processing are listed by county resources. |
Useful for local payment needs, but confirm office/drop-off instructions first. |
AutoPay |
AutoPay can schedule fixed payments or full amount due. |
Best for avoiding missed due dates on future water/wastewater bills. |
Set Up Anne Arundel County AutoPay for Utility Bills
Anne Arundel County’s AutoPay option can help customers avoid missed water/wastewater due dates. The county says AutoPay can be used for one-time payments, scheduled fixed payments or bank draft for the full bill amount on a scheduled day or due date.
-
Open the official AutoPay information page.
Start with Anne Arundel County Enroll in AutoPay. -
Keep your bill and payment details ready.
Have the utility bill, account information, payment method and bank/card details ready before enrolling. -
Choose fixed payment or full amount due.
Fixed payment can help with budgeting. Full amount due can help avoid leftover balances. -
Review convenience fees.
The county states online payments are subject to convenience fees, so review payment terms before finalizing. -
Monitor the first scheduled payment.
Do not assume AutoPay is working until you see the payment post correctly.
Lost Bill, Moved Account, Payment Difficulty or Bill Seems Too High?
Anne Arundel County’s bill payment assistance page says Customer Service can discuss bills where a customer has lost a bill, moved, cannot afford to pay all at one time or has a bill that seems out of line. This is the section to use before making a rushed payment.
Before contacting Customer Service, gather this
- Current water/wastewater bill and previous bill.
- Service address and customer/account information.
- Payment confirmation if you recently paid.
- Move-in/move-out date if the account changed.
- Any leak repair receipt or plumber invoice if usage increased.
- Notes about why the bill seems wrong or unaffordable.
Anne Arundel County Leak Adjustment and High Water Bill Help
The county utility billing portal lists a Customer Request for Leak Adjustment resource. If your bill increased because of a repaired leak, prepare documentation before requesting review.
-
Find and repair the leak first.
Common causes include running toilets, underground service line leaks, irrigation leaks, water heater issues and fixture leaks. -
Keep proof of repair.
Save plumber invoices, repair receipts, photos, parts receipts and the date the leak was fixed. -
Open the utility billing portal resource area.
Use the County Utility Billing portal and look for Customer Request for Leak Adjustment. -
Call Customer Service if unsure.
Ask 410-222-1144 what documentation is required for your account. -
Keep paying current charges as advised.
Ask whether any amount must be paid while the adjustment request is reviewed.
High Anne Arundel County Water Bill Checklist
A high water/wastewater bill can come from a leak, billing period change, usage change, sewer charges, a moved account or a missed previous payment. Use this checklist before calling.
Utility Billing Name, Address, Owner or Tenant Changes
Anne Arundel County provides utility billing name/address change resources. Owner and tenant changes have specific forms, and the county says completed forms may be emailed or mailed to Customer Service.
Change needed |
County requirement |
Prepare before submitting |
|---|---|---|
New owner change |
County page says this must be filled out by the new owner or title company. |
Property address, ownership details, closing information and contact details. |
Tenant change |
County page says this must be submitted by the property owner. |
Owner details, tenant information, service address and effective date. |
Mailing address update |
Submit the proper name/address change request to Customer Service. |
Current mailing address, new mailing address, account/property details. |
Submission |
Email to custserv@aacounty.org or mail to Anne Arundel County Customer Service, P.O. Box 427, Annapolis, MD 21404. |
Completed form and any supporting documentation requested by the county. |
Anne Arundel County Water or Sewer Emergency: Who to Call
Water and wastewater emergencies are not the same as billing questions. Anne Arundel County says Emergency Services answers customer calls regarding water and wastewater service 24 hours a day, 365 days a year.
-
Call the emergency number first.
Use emergency service for water or wastewater problems that cannot wait for normal billing support. -
Give the exact location.
Provide the address, cross street, landmark or visible location of the water/sewer problem. -
Stay safe.
Avoid sewage, fast-moving water, electrical hazards and unsafe areas. -
Document only if safe.
Take photos from a safe distance for your records. -
Handle billing later.
First report the emergency, then contact Customer Service if the issue affects your utility bill.
Official Anne Arundel County Water Bill Links and Contacts
Use these official resources for payment, billing questions, AutoPay, name/address changes, leak adjustment, water relief and emergency service.
Official county utility billing system for viewing and paying water/wastewater bills.
Open utility billingOfficial county page for online, phone, mail and in-person payment information.
Open billing infoCounty payment mailing address and water/wastewater billing charge information.
Open DPW billing infoContact information for lost bills, moved accounts, payment difficulty and unusual bills.
Open assistance pageSet up one-time, fixed, or full amount due scheduled utility payments.
Open AutoPayEmergency water/wastewater service contact, available every day.
Open emergency pageMap: Anne Arundel County Customer Service Mailing / County Seat Reference
Utility billing customer service mail for name/address change resources is listed as Anne Arundel County Customer Service, P.O. Box 427, Annapolis, Maryland 21404. Use the official county pages above for payment-specific mail addresses and forms.
Anne Arundel County Water Bill FAQs
How do I pay my Anne Arundel County water bill online?
Use the official Anne Arundel County Utility Billing portal or Citizen Self Service utility billing system. Search for your bill, review the amount and convenience fee, then save the confirmation.
What is the Anne Arundel County water bill phone payment number?
The county cashier/payment information lists pay by phone at 1-833-277-8723.
Who do I call for Anne Arundel County utility billing questions?
Call Customer Service at 410-222-1144 or email custserv@aacounty.org.
Are online and phone water bill payments subject to convenience fees?
Yes. Anne Arundel County states that online and phone payments are subject to convenience fees. Review the fee before submitting payment.
Where do I mail an Anne Arundel County water/wastewater payment?
The county Public Works billing page lists the payment mail address as A.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003.
Can I set up AutoPay for Anne Arundel County utility bills?
Yes. Anne Arundel County offers AutoPay for utility bills, including options for one-time payments, fixed scheduled payments or full amount due on a scheduled day or due date.
Can I request a leak adjustment for a high water bill?
The county utility billing portal includes a Customer Request for Leak Adjustment resource. Repair the leak first, keep documentation and contact Customer Service if you need guidance.
What if I lost my bill, moved or cannot afford the full amount?
Contact Anne Arundel County Customer Service at 410-222-1144. The county’s bill payment assistance page says representatives can discuss lost bills, moved accounts, payment difficulty and bills that seem out of line.
How do I change the name or address on a county utility bill?
Use the county’s Utility Billing Name/Address Changes page. Owner and tenant changes use county forms and may be emailed to custserv@aacounty.org or mailed to Anne Arundel County Customer Service, P.O. Box 427, Annapolis, MD 21404.
What is the Anne Arundel County water or sewer emergency number?
Call 410-222-7500 for water/sewer emergency service through the Bureau of Utility Operations.
How long does online payment take to show on my Anne Arundel County account?
The county utility billing page says after online payment is submitted, it will show as pending and appear on the account within two business days.
Is WaterBillGuide.us the official Anne Arundel County utility billing website?
No. WaterBillGuide.us is an independent informational guide. It does not process payments, access accounts, approve leak adjustments, manage AutoPay or represent Anne Arundel County.
Best Next Step for Anne Arundel County Utility Customers
If your bill is normal, use the official county utility billing portal or pay-by-phone number and save your confirmation. If the bill is missing, unusually high, unaffordable, tied to a leak, or connected to a move/name change, contact Customer Service before taking the wrong action. For water or sewer emergencies, call the emergency number immediately.
Editorial Review and Independent Guide Disclaimer
This article was written specifically for Anne Arundel County, Maryland utility customers using official county utility billing, payment, Customer Service, AutoPay, name/address change, Public Works and water/sewer emergency resources. It is designed to answer practical county-level billing questions instead of repeating generic water-bill content.
WaterBillGuide.us is not Anne Arundel County. We do not process payments, access accounts, approve leak adjustments, change billing records, manage AutoPay, provide emergency utility service or make county billing decisions. For account-specific help, use the official county contacts and links above.
Official resources checked include Anne Arundel County Utility Billing Information, Citizen Self Service Utility Billing, Bill Payment Assistance, Enroll in AutoPay, Billing Information, Utility Billing Name/Address Changes, Cashier’s Offices and Water/Sewer Emergency pages.

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.