Anne Arundel County Water Bill – Pay Online, Phone Number, AutoPay, Mail & Emergency Help

Updated 2026 • Official county links reviewed

Anne Arundel County Water Bill: Pay Online, Phone, Mail, AutoPay, Assistance and Emergency Help

Anne Arundel County water and wastewater customers often need more than a payment link. You may need the official online portal, phone payment number, customer service email, AutoPay enrollment, payment help, name/address change form, cashier office guidance or emergency water/sewer contact. This guide keeps the official county resources in one mobile-friendly page.

410-222-1144Utility billing support
1-833-277-8723Pay by phone
410-222-7500Water/sewer emergency
custserv@aacounty.orgBilling email
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Pay online

Use the official Utility Billing portal for water/wastewater, front foot/CFA and installment agreement bills.

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Pay by phone

Call 1-833-277-8723 with your utility account number or parcel number and payment details.

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AutoPay

AutoPay can support one-time payment, scheduled fixed payments or full bill bank draft.

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Emergency

For water/wastewater service emergencies, the Bureau of Utility Operations lists 410-222-7500.

Main Official Anne Arundel County Water Bill Links

Editorial trust note: This guide uses official Anne Arundel County payment, utility billing, Bureau of Utility Operations, AutoPay, assistance and emergency pages.
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Independent guide: Water-Department.org is not Anne Arundel County Government. Official payments, account changes, assistance decisions and emergency reporting must be handled through official county resources.

Payment options

How to Pay Your Anne Arundel County Water Bill Online, by Phone, Mail or In Person

The county provides several payment routes. The best option depends on whether you want instant online access, phone payment, mailed check, cashier office payment or AutoPay.

Payment routeOfficial detailBest action
Online utility portalUsed for water/wastewater, front foot/CFA and installment agreement bills.Open Utility Billing portal.
Phone paymentCall 1-833-277-8723 with utility account number or real estate tax parcel number.Use when you want phone-based payment with eCheck/card options.
Mail paymentA.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003.Mail early and include account information.
In-person / cashier officeCounty says payments may be made in person at county Cashier Offices.Check the official Cashier’s Offices page before visiting.
AutoPaySupports one-time payment, scheduled fixed payments or bank draft for full bill amount.Use if you want automatic or scheduled payment control.
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Portal search tip: In the Utility Billing portal, enter either the parcel ID/account number or the house number/street name. Do not enter both. Omit dashes and special characters in account numbers.
Bill lookup

How to Find Your Water/Wastewater Bill in the County Portal

The county Utility Billing portal gives very specific search instructions. Using the wrong format can make the system look like it cannot find your bill.

Search methodCounty instructionPractical tip
Account numberEnter the account number listed on your bill and omit dashes.If account number is 1234-5678-9012-000, enter 123456789012000.
Parcel IDYou can access the account by parcel ID.Use parcel ID only if you are sure it matches the property.
AddressEnter house number and street name.Do not enter street type like Rd, St, Ln, etc.
Avoid mixed searchEnter either account/parcel information or address information, not both.Clear the form and try one method at a time.
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Account lookup fix: If your bill does not appear, remove dashes, remove street type words and try only one search method. Then call 410-222-1144 if the account still cannot be found.
AutoPay

Anne Arundel County AutoPay for Utility Bills

Anne Arundel County says its digital payment system provides tools to pay utility and tax bills online by AutoPay. This is helpful if you want fewer missed due dates and a repeatable monthly payment process.

One-time payment

Use this when you do not want recurring payment but still want online payment convenience.

Scheduled fixed payments

Useful if you want to set a fixed amount on a scheduled day.

Bank draft

Use bank draft to pay the full bill amount on a scheduled day or the bill due date.

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AutoPay tip: Keep your bill and payment information ready before enrolling. After enrollment, verify the first payment posts correctly before relying on AutoPay fully.
Assistance and billing help

Anne Arundel County Water Bill Payment Help and Customer Service

If your bill is unusually high, missing, late, unaffordable or confusing, contact Customer Service early. The county Bill Payment Assistance page directs customers to call or email for bill discussion.

NeedOfficial contactWhat to prepare
Billing question410-222-1144 or custserv@aacounty.orgAccount number, property address, bill date and question.
Payment difficultyBill Payment Assistance page / Customer ServiceBalance, due date, income hardship details and payment ability.
Lost utility billCustomer Service / online portalProperty address or account number.
Possible leak adjustmentUtility Billing resources / Customer ServiceRepair date, plumber bill, receipt, photos and usage history.
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Assistance call script: “I am an Anne Arundel County utility customer and I need help understanding or paying my water/wastewater bill. Can you review my account and explain available options?”
Account updates

Utility Billing Name or Address Changes

If property ownership, tenant information or mailing details changed, use the county’s official Utility Billing Name/Address Changes process instead of only paying the bill.

New owner change

Used to change property owner information on a utility billing account. The county says it must be completed by the new owner or title company.

Tenant change

Used to change tenant information. The county says this must be submitted by the property owner.

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Submission note: Completed forms can be emailed to custserv@aacounty.org or mailed to Anne Arundel County Customer Service, P.O. Box 427, Annapolis, MD 21404.
Emergency and service concerns

Anne Arundel County Water/Sewer Emergency and Infrastructure Reporting

Billing questions and emergencies are not the same. Use Customer Service for billing, but use Bureau of Utility Operations emergency/contact routes for water or wastewater service problems.

IssueOfficial routeWhat to report
Water/sewer emergency410-222-7500Address, nearest cross street, visible water/sewer issue and urgency.
County infrastructure concernCall 311 or report online via SeeClickFixLocation, photos if available and problem details.
Billing issue410-222-1144 / custserv@aacounty.orgAccount number, bill amount and payment history.
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Emergency tip: For active water main, wastewater, sewer backup or service emergency concerns, do not rely only on email. Call the emergency/service number and provide a precise location.
High bill checklist

What to Check If Your Anne Arundel County Water Bill Is High

A high water/wastewater bill can happen because of real usage, leak, irrigation, toilet leak, prior balance, billing period change, meter issue or delayed payment posting. Check simple problems first, then contact Customer Service.

High-bill cluePossible causeFirst action
Usage suddenly increasedLeak, running toilet, outdoor watering or hose use.Check toilets, faucets, irrigation and meter movement.
Payment not showingPosting delay or wrong account details.Save confirmation and call 410-222-1144.
Bill has front foot/CFA or installment itemUtility-related assessment or agreement bill.Use the Utility Billing portal and read the bill type carefully.
Leak repairedWater loss before repair.Ask Customer Service about leak adjustment documentation.
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Leak-check tip: Put food coloring in toilet tanks and wait without flushing. If color appears in the bowl, the toilet may be leaking silently and raising the bill.
Contact and map

Anne Arundel County Water Bill Phone Numbers, Email and Office Map

Use the contact route that matches your problem: payment by phone, utility billing customer service, emergency utility service, or county infrastructure reporting.

Utility billing customer service

Phone: 410-222-1144

Email: custserv@aacounty.org

Assistance hours listed: Monday to Friday, 8:00 AM to 4:30 PM.

Payments and emergencies

Pay by phone: 1-833-277-8723

Water/Sewer Emergency: 410-222-7500

Infrastructure concern: Call 311 or report online via SeeClickFix.

Map shows the Anne Arundel County Department of Public Works area at 2662 Riva Road, Annapolis, MD. For billing questions, use 410-222-1144 or custserv@aacounty.org.

Avoid mistakes

Common Anne Arundel County Water Bill Mistakes That Cause Delays

Most customer problems come from using the wrong portal search format, entering both address and account details, mailing payment late, ignoring leaks or calling billing for an emergency.

MistakeWhy it creates troubleBetter action
Entering dashes in account numberThe portal says it does not recognize special characters.Enter account number without dashes.
Entering both account and addressThe portal says to enter either, not both.Search one way at a time.
Using street type in address searchThe portal says not to enter Rd, St, Ln, etc.Enter house number and street name only.
Calling billing for active emergencyEmergency service needs faster routing.Call 410-222-7500 for water/sewer emergency.
Not saving payment proofPosting disputes are harder without confirmation.Save receipt or screenshot after paying.
Best habit: Save the online portal, 410-222-1144, 1-833-277-8723, 410-222-7500, custserv@aacounty.org and your account number in one phone note.
Most searched FAQs

Anne Arundel County Water Bill FAQs

These answers cover common searches about www.aacounty.org water bill payment, phone payment, AutoPay, mail payment, billing help, account changes, emergencies and high bills.

QHow do I pay my Anne Arundel County water bill online?

Use the official Anne Arundel County Utility Billing portal. It can be used to find water/wastewater, front foot/CFA and installment agreement bills.

QWhat is the Anne Arundel County water bill phone payment number?

To pay by phone, call 1-833-277-8723. Have your utility account number or real estate tax parcel number and payment information ready.

QWhat is the Anne Arundel County utility billing customer service number?

For utility billing questions, call 410-222-1144 or email custserv@aacounty.org.

QWhere do I mail my Anne Arundel County water bill payment?

The county lists the mailing address as A.A.Co. Water & Wastewater, P.O. Box 17003, Baltimore, MD 21297-1003.

QCan I enroll in AutoPay for Anne Arundel County utility bills?

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

QWhat payment methods are accepted online or by phone?

The county lists eCheck, debit card and credit card options. The Utility Billing Information page also lists card and digital wallet options processed through Paymentus. Convenience fees may apply for phone/card processing.

QHow do I find my bill in the Anne Arundel County portal?

Search using either the parcel ID/account number or the house number/street name, not both. Omit dashes and special characters in account numbers, and do not enter street type such as Rd, St or Ln.

QCan I get help if I cannot pay my Anne Arundel County utility bill?

Yes. The county Bill Payment Assistance page says customers can call 410-222-1144 Monday through Friday from 8:00 AM to 4:30 PM or email custserv@aacounty.org to discuss their bill.

QWho do I call for an Anne Arundel County water or sewer emergency?

The Bureau of Utility Operations Water/Sewer Emergency page lists 410-222-7500 and says emergency services answer customer calls about water and wastewater service 24 hours a day, 365 days a year.

QHow do I change the name or address on a utility bill?

Use the county Utility Billing Name/Address Changes page. New owner and tenant change forms are available, and completed forms can be emailed to custserv@aacounty.org or mailed to Anne Arundel County Customer Service, P.O. Box 427, Annapolis, MD 21404.

QWhy is my Anne Arundel County water bill high?

Common reasons include leaks, running toilets, irrigation, outdoor hose use, billing period changes, prior balances or payment posting issues. Check for leaks first, then call 410-222-1144 if the bill still looks wrong.

QIs Water-Department.org the official Anne Arundel County website?

No. This is an independent guide. Official payments, account updates, assistance, billing decisions and emergency reports must be handled through Anne Arundel County Government and its official resources.

Official source table

Official Sources for Anne Arundel County Water Bill Customers

Use these official resources for final confirmation before paying, enrolling in AutoPay, mailing payment, requesting assistance, changing account details or reporting an emergency.

Official sourceUse it forOpen
Bills & PaymentsMain page for county bill and tax payment options, including utility payments.Open Bills & Payments
Utility Billing InformationPayment options, phone payment number, Paymentus processing and utility billing instructions.Open utility info
Utility Billing PortalFinding and paying water/wastewater, front foot/CFA and installment agreement bills.Open bill portal
Billing InformationMail payment address, cashier office payment, bill calculation and billing charge details.Open billing info
Enroll in AutoPayAutoPay, scheduled payments and bank draft setup information.Open AutoPay
Bill Payment AssistanceHelp discussing bill problems, unaffordable bills or account questions.Open assistance
Water/Sewer Emergency24/7 water and wastewater service emergency contacts.Open emergency page
Name/Address ChangesNew owner change, tenant change and utility billing account updates.Open change forms
Final takeaway: For most Anne Arundel County customers, use the official Utility Billing portal to pay online, call 1-833-277-8723 for phone payment, call 410-222-1144 for billing help, enroll in AutoPay for recurring convenience, and call 410-222-7500 for water/sewer emergencies.
Free Water Bill & Utility Service Assistant

Pay Smarter, Check High Bills, Start Service, Avoid Shutoff and Find Official Water Department Links

Use this free tool before paying a water bill, setting up autopay, starting or stopping service, checking a high bill, requesting leak help, or looking for the official water department portal. It gives practical next steps without collecting your account number or personal details.

Start Water Bill Helper
8 toolsBill pay, high bill check, leak checklist, start/stop service, assistance and official searches.
All utilitiesWorks sitewide for city, county, parish, authority and private water utility pages.
No loginNo account number, email, service address or payment data is required.
Mobile-firstBuilt for customers searching from a phone while trying to solve a bill or service issue.

What water bill or service problem do you need to solve?

Choose your situation. The tool will suggest the safest next step, what to prepare, and which official page to check first.

Payment safety tip

Start from the official water department, city, county or utility website before entering account details. Avoid random payment ads and look-alike bill pay sites.

High bill tip

Before paying a very unusual bill, check meter reads, toilet leaks, irrigation use, estimated bills, late fees, and whether your utility offers a leak adjustment.

Water Bill Payment Route Helper

Choose how you want to pay. The tool will tell you what to prepare and the safest payment path.

High Water Bill Checker

Compare your normal bill with the new bill and get a practical investigation path before calling customer service.

Use gallons, CCF, HCF or units shown on your bill.

Leak Check and Adjustment Checklist

Use this before requesting a leak adjustment, disputing a bill, or calling the water department about high usage.

Start, Stop or Transfer Water Service Helper

Use this before moving, opening a new account, closing an old account, or transferring service to another address.

Past Due, Shutoff and Reconnection Helper

Use this if your account is late, disconnected, at risk of shutoff, or you need a payment plan or assistance program.

Simple Water Usage Cost Estimator

Estimate a rough bill from base charge, usage units, rate per unit, sewer charge, stormwater fee and service fees. Official tiered rates may be different.

Example: if usage is gallons, enter cost per gallon.

Official Water Department Resource Finder

Enter city/utility and state to create safe searches for the official water bill portal, phone number, outage page, assistance, start service, leak adjustment, and Water-Department.org guide.

Water Department vs Payment Processor

  • Water department: account help, service start/stop, leaks, repairs, shutoff, assistance.
  • Payment processor: card/eCheck payment screen, payment fee, confirmation number, posting time.

Best sitewide placement

Add this tool after the main payment section or before FAQs. It helps users solve the next problem after reading the article.

Important safety note

This tool gives educational guidance only. Always confirm payment portals, phone numbers, account balance, assistance rules and reconnection steps with the official water department or utility.

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