Aacounty Water Bill | Pay Online & Contact

Anne Arundel County MD Utility Billing Guide

Pay an AACounty Water Bill, Request Help, or Report a Water/Sewer Emergency

Anne Arundel County water and wastewater customers can use the official Utility Billing payment system to view bills, pay online, schedule payments, enroll in AutoPay and manage utility billing questions. The county also separates normal billing help from 24/7 water and sewer emergency service.

Use this guide when you need the correct payment portal, phone number, mail address, payment assistance, leak adjustment, name/address change, AutoPay setup or emergency contact.

Correct county: “AACounty water bill” usually means Anne Arundel County, Maryland water/wastewater utility billing. Use aacounty.org or the county Munis Self Service portal before entering payment details.
Emergency warning: Billing customer service and emergency water/sewer response are different. For water or wastewater emergencies, call the Bureau of Utility Operations emergency line at 410-222-7500.

Anne Arundel County Water Bill Quick Facts

Online payment Munis Self Service View bills and make utility payments online.
Billing help 410-222-1144 Customer Service Section for utility billing questions.
Email support custserv@aacounty.org County utility billing customer service email.
Emergency service 410-222-7500 24 hours a day, 365 days a year.

Choose the Anne Arundel County Utility Task You Need

A water bill search can mean a normal payment, a pending payment question, a leak adjustment, a payment plan, a name/address change, a front foot/CFA charge, or a water/sewer emergency. Use the correct path first.

I need to pay online Use the county utility billing portal and save your confirmation number. Payment steps
I want AutoPay Set up scheduled payments or full bill bank draft from the county digital payment system. AutoPay help
I cannot pay all at once Contact customer service to discuss your bill and possible options. Payment assistance
My bill is too high Check usage, leaks, pending payments and request leak adjustment if needed. High bill checklist
I need to update name/address Use the official owner or tenant change forms. Change forms
I have a water/sewer emergency Call 410-222-7500 instead of waiting for billing support. Emergency steps

How to Pay Your Anne Arundel County Water Bill Online

The county online payment system allows customers to view water/wastewater bills and make payments online. Anne Arundel County says credit card and eCheck payments are accepted, and online payments are subject to convenience fees.

  1. Open the official utility billing portal.
    Start here: Anne Arundel County Utility Billing portal.
  2. Search for the correct bill.
    Use the bill, account, customer or address details exactly as shown on your statement.
  3. Review the amount and fee.
    Confirm the service address, bill type, balance, convenience fee and due date before submitting.
  4. Submit payment.
    The county states payments may be made by credit card or eCheck online.
  5. Save your confirmation.
    The county says payments show as pending and appear on the account within two business days. Keep your confirmation number until it posts.
Posting tip: If your bill is already late or close to a cutoff, do not assume the online confirmation means the account is fully updated instantly. Call 410-222-1144 if timing matters.

Anne Arundel County Water Bill Payment Options

Use online payment for normal bills, phone payment when you prefer not to use the website, mail only when you have enough time, and customer service when the bill is confusing or unaffordable.

Payment need
Official option
Best practical use
Pay online
Normal water/wastewater bill payment, bill lookup and payment confirmation.
Pay by phone
Phone payment route listed by county cashier/payment information.
Mail payment
A.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003
Non-urgent check or money-order payment where mailing time is safe.
Billing questions
Lost bill, bill seems wrong, moved, cannot pay all at once, payment posting or account help.
In-person/cashier office
Use official cashier office instructions before visiting or dropping off a check.

Enroll in AutoPay for Anne Arundel County Utility Bills

Anne Arundel County says its digital payment system supports AutoPay for utility and tax bills. Customers can make a one-time payment, schedule fixed payments, or set up bank draft for the full bill amount on a scheduled day or bill due date.

  1. Open the official AutoPay page.
    Use Anne Arundel County Enroll in AutoPay.
  2. Keep your bill and payment information ready.
    The county says you should have your payment information and bill available for reference.
  3. Choose the right payment style.
    Decide whether you want fixed scheduled payments or full bill bank draft.
  4. Check the first payment date carefully.
    Make sure your next bill will not become late before AutoPay begins.
  5. Save AutoPay setup proof.
    Keep screenshots or confirmations so you can verify the setup later.
AutoPay safety tip: If you recently moved, changed bank accounts, or have a pending past-due bill, call customer service before relying fully on AutoPay.

Anne Arundel County Water Bill Payment Assistance

If you cannot pay the full amount, your bill seems out of line, you moved, or you did not receive a bill, contact Anne Arundel County Customer Service. The county’s Bill Payment Assistance page asks customers to call or email so a representative can discuss the bill.

Customer Service Section: Call 410-222-1144, Monday through Friday, 8:00 AM to 4:30 PM, or email custserv@aacounty.org.
  1. Do not wait until the due date passes.
    Call early if you cannot pay all at once.
  2. Gather your account details.
    Have account number, service address, latest bill and any past-due notices ready.
  3. Explain the exact reason.
    Say whether the bill is unaffordable, seems unusually high, was not received, or belongs to a property you moved from.
  4. Ask what options are available.
    Ask whether payment plan, bill review, leak adjustment, or another process applies.
  5. Write down the instructions.
    Save the representative’s guidance, dates, amounts and any forms you must submit.

High Anne Arundel County Water Bill Checklist

A high utility bill may come from increased water usage, a leak, a sewer charge, a pending payment, billing-cycle differences, a pool fill, tenant change, or an account/address issue. Check these before assuming the bill is wrong.

Check payment posting Online payments may show pending and appear on the account within two business days.
Check for leaks Inspect toilets, faucets, irrigation, water heater area, crawlspace and outdoor spigots.
Review bill type Confirm whether you are viewing water/wastewater, front foot/CFA, or installment agreement billing.
Request leak adjustment The county portal includes a Customer Request for Leak Adjustment resource.
Check pool credit The county utility billing portal includes a Pool Credit Request resource.
Call customer service Use 410-222-1144 if the bill seems out of line compared with previous bills.

Have this ready before contacting the county

  • Current bill and previous bill.
  • Account number and service address.
  • Payment confirmation if you recently paid.
  • Photos, plumber receipt, parts receipt or repair invoice if a leak was found.
  • Pool fill date or large one-time water-use details if asking about a pool credit.
  • Move date, owner/tenant details or address-change proof if the account information is wrong.

Name, Address, Owner or Tenant Changes on a Utility Bill

Anne Arundel County has official utility billing name/address change resources. The county says new owner changes must be completed by the new owner or title company, while tenant changes must be submitted by the property owner.

Change type
Official route
What to prepare
New owner change
Property details, new owner information and title/ownership-related documentation.
Tenant change
Property owner-submitted tenant change form
Owner details, tenant details, service address and billing contact information.
Mail completed forms
Anne Arundel County Customer Service, P.O. Box 427, Annapolis, Maryland 21404
Completed form and any required supporting details.
Email completed forms
Completed form, property address and account details.
Important: Do not update owner or tenant information through a third-party bill-pay site. Use the county’s official forms and customer service contact.

Water or Sewer Emergency in Anne Arundel County

Anne Arundel County Bureau of Utility Operations says Emergency Services answers customer calls regarding water and wastewater service 24 hours a day, 365 days a year. Use this for water or sewer emergencies, not routine billing questions.

Water/Sewer Emergency: Call 410-222-7500.
  1. Call the emergency number first.
    Use it for urgent water or wastewater service problems.
  2. Give the exact location.
    Provide address, cross street, nearest landmark, manhole, meter location or visible problem area.
  3. Keep people away from unsafe water or sewage.
    Avoid contact with wastewater or standing water near electrical hazards.
  4. Document safely if needed.
    Take photos from a safe distance for your own records.
  5. Handle billing later.
    Report the emergency first, then contact customer service if it affects your bill.

Official Anne Arundel County Water Bill Links and Contacts

Use these official county resources for payment, utility billing, AutoPay, assistance, name/address changes, cashier offices and emergency support.

Utility Billing Portal

Official Munis Self Service portal for water/wastewater utility billing.

Open utility billing
Utility Billing Information

Payment methods, mail address, billing details and utility charge information.

Open billing info
Bills & Payments

County payment methods and online payment information.

Open bills & payments
Bill Payment Assistance

Customer service help for bills that are unaffordable, missing, moved, or unusually high.

Open assistance page
Enroll in AutoPay

Set fixed payments or bank draft for the full bill amount.

Open AutoPay
Name/Address Changes

Owner change, tenant change and account update forms.

Open change forms
Cashier’s Offices

County cashier office payment and drop-off information.

Open cashier info
Water/Sewer Emergency

24/7 emergency contact for water and wastewater service emergencies.

Open emergency page

Map: Anne Arundel County Office of Finance

For general billing information, the county lists the Office of Finance at 44 Calvert Street, Room 110, Annapolis, MD 21401. Check official office instructions before visiting because payment and service options may vary.

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 through Munis Self Service. You can view your bill and pay online by credit card or eCheck.

What is the Anne Arundel County utility billing phone number?

Call 410-222-1144 for Utility Billing Customer Service or email custserv@aacounty.org.

Can I pay my AACounty water bill by phone?

County cashier/payment information lists phone payment at 1-833-277-8723. For bill questions, use 410-222-1144.

Where do I mail an Anne Arundel County water/wastewater payment?

Mail payments to A.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003.

Are Anne Arundel County online utility payments subject to fees?

Yes. The county says all online payments are subject to convenience fees. Review the payment screen before submitting.

How long does an online water bill payment take to post?

Anne Arundel County says submitted online payments show as pending and appear on the account within two business days.

Can I set up AutoPay for Anne Arundel County utility bills?

Yes. The county AutoPay page says customers can make one-time payments, schedule fixed payments or set up a bank draft for the full bill amount on a scheduled day or bill due date.

Can I get help if I cannot pay my water bill all at once?

Contact the Customer Service Section at 410-222-1144, Monday through Friday, 8 AM to 4:30 PM, or email custserv@aacounty.org to discuss the bill.

How do I request a leak adjustment?

Use the Customer Request for Leak Adjustment resource in the county utility billing portal, and prepare repair proof, account details and bill history before requesting review.

What is the Anne Arundel County water/sewer emergency number?

Call 410-222-7500. The Bureau of Utility Operations says Emergency Services answers water and wastewater service calls 24 hours a day, 365 days a year.

Is WaterBillGuide.us the official Anne Arundel County website?

No. WaterBillGuide.us is an independent informational guide. It does not process payments, access customer accounts, approve payment assistance, adjust bills or represent Anne Arundel County.

Best Next Step for Anne Arundel County Water Customers

If your bill is normal, pay through the official utility billing portal and save your confirmation. If the bill is unaffordable or unusually high, call customer service before the due date. If there is a water or sewer emergency, call 410-222-7500 immediately.

Editorial Review and Independent Guide Disclaimer

This replacement article was written specifically for Anne Arundel County, Maryland water and wastewater utility customers using official county Finance, Utility Billing, Public Works, Bureau of Utility Operations, AutoPay, assistance and emergency resources.

WaterBillGuide.us is not Anne Arundel County. We do not process payments, access utility accounts, approve payment assistance, adjust bills, dispatch emergency crews or make billing decisions. For account-specific help, use the official county resources listed above.

Official resources checked include Anne Arundel County Bills & Payments, Utility Billing Information, Munis Self Service Utility Billing, Bill Payment Assistance, Enroll in AutoPay, Utility Billing Name/Address Changes, Cashier’s Offices and Water/Sewer Emergency pages.

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.

Find official payment pages safely
Prepare before late fees or shutoff
Check high bill and leak causes
Useful on every city water guide

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.

Safety tip: Use the official city, county, or utility website when paying a water bill. Do not enter card or bank details on a page that only looks like a payment portal but does not clearly identify the official utility.

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.

Important: Some official utilities use third-party processors. That can be normal, but the payment processor should be linked from the official utility website and show clear fee/payment details.

Late Bill, Shutoff Notice & Reconnection Action Plan

Select your situation and get practical next steps. This helps users act quickly without guessing.

Do not wait: If you received a shutoff notice, online payment alone may not stop disconnection. Call the utility billing office and save your confirmation number.

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.

Quick leak test Turn off all water, then check whether the meter still moves.
Toilet check Put food coloring in tank. If color reaches bowl without flushing, there may be a leak.
Ask utility Request usage history, meter reread, leak adjustment policy, and payment arrangement options.

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

Move-out tip: Ask for a final meter read, final bill date, refund/deposit process, and confirmation number when stopping service.

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.

Helpful document list: Keep your account number, photo ID, service address, bill copy, shutoff notice, income proof if needed, repair receipt if leak-related, and payment confirmation numbers.

Water Department Call Script Generator

Generate a clear call or email script before contacting the utility billing office.

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