Pay Anne Arundel County Water Bill – Online, Phone, Mail, AutoPay, Fees & Customer Service

Updated 2026 • Official County links reviewed

Pay Anne Arundel County Water Bill: Online, Phone, Mail, AutoPay, Drop Box, Fees and Customer Service

Anne Arundel County water and wastewater customers can pay online, by phone, by mail, through AutoPay, at cashier offices, or by using a County drop box. This guide explains the safest official payment links, what information you need before paying, how Paymentus fees work, when payments post, what to do if the bill is high, and who to contact if you lost your bill, moved, or cannot pay everything at one time.

410-222-1144Utility billing customer service
1-833-277-8723Pay by phone
QuarterlyWater/sewer bills issued
10%Late fee after net due date
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Pay online

Use the official County utility billing payment system for water/wastewater, front foot/CFA and installment agreement bills.

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Pay by phone

Call 1-833-277-8723 and keep your utility account number plus payment information ready.

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AutoPay

Set recurring payment for a fixed amount or full amount due through the County online payment system.

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Need help?

Call 410-222-1144 or email custserv@aacounty.org if you lost your bill, moved, or cannot pay all at once.

Main Official Anne Arundel County Water Bill Links

Editorial trust note: This guide was prepared from official Anne Arundel County Bills & Payments, Utility Billing Information, Bureau of Utility Operations, Billing Information, Cashier Offices and AutoPay resources. Official County links are placed first.
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Independent guide: Water-Department.org is not Anne Arundel County Government. Official payments, billing decisions, account changes, service questions and County infrastructure reports must be handled through official County resources.

Payment options

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

The County offers multiple official routes. Online payment is usually the fastest, but phone, mail, AutoPay, cashier offices and yellow drop boxes are also available depending on your situation.

Payment methodOfficial detailBest practical action
Online paymentView your bill and make payments online. Pay one or several bills in a single transaction or schedule a future payment.Open the official utility billing portal.
Phone paymentCall 1-833-277-8723 with your utility account number and payment information.Use this if you do not want to navigate the web portal.
AutoPaySet a recurring payment for a fixed amount or the full amount due for utility bills.Enroll through the official AutoPay page.
Mail paymentMail check or money order with the payment stub. Do not mail cash.Send to Office of Finance, Anne Arundel County Government, PO Box 17003, Baltimore, MD 21297-1003.
Drop boxYellow drop boxes are available at County cashier locations. Check and money order accepted; do not place cash in drop boxes.Allow 1–2 days for processing.
Walk-in cashierCounty cashier offices accept in-person payments. Check the official cashier page for temporary closures.Use cashier office if you need in-person help or want to pay at a County location.
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Posting tip: Online payments may show as pending and appear on the account within two business days. The County also advises allowing up to 48 hours after payment date for payment to be reflected on the account.
Fees and timing

Anne Arundel County Water Bill Fees, Paymentus Processing, Late Fee and Returned Payment Rules

Anne Arundel County uses Paymentus Corporation for online and phone payments. Fees are non-refundable and should be reviewed before choosing a payment method.

Fee or ruleOfficial detailWhy it matters
Credit/debit card fee for utility bills$3.25 per transaction for water/wastewater, front foot assessments and installment agreements.Card payments may cost more than eCheck.
eCheck fee$0.50 for utility bills.Usually the lower-fee online option.
Accepted online methodsVisa, MasterCard, American Express, Discover, PayPal, Venmo, Apple Pay, Google Pay, Amazon Pay and eCheck.Choose the method that fits your fee and record-keeping preference.
Returned item / chargebackAll banking return items and chargebacks are subject to a $25 fee.Confirm bank/card details before submitting payment.
Late feeIf payment is not received by the net due date, a 10% late fee is added to the bill.Pay before the net due date and save confirmation.
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Fee-saving tip: If you are comfortable using bank information, eCheck is commonly the lower-fee option listed by the County. For urgent bills, pay early enough to allow posting time.
AutoPay

Enroll in Anne Arundel County AutoPay for Water and Utility Bills

AutoPay can help customers avoid missed due dates. The County online automatic bill payment option lets you view the current total due and set a recurring payment for a fixed amount or the full amount due.

What you need to enroll

The County says you need checking or savings routing/account number, name on the bank account, or debit/credit card details. Amazon Pay is listed as the digital wallet used for AutoPay.

How cancellation works

The County says AutoPay cancellation should be done 5 days before the bill is due. Keep the cancellation confirmation for your records.

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AutoPay tip: After setting AutoPay, check the next bill cycle manually. Keep a payment confirmation and make sure the correct utility account is connected.

Open official Enroll in AutoPay page

Mail, drop box and cashier

Anne Arundel County Mail Payment, Drop Boxes and Cashier Offices

Customers who prefer paper payment can use mail, yellow drop boxes or County cashier offices. Do not send cash through mail or drop boxes.

Payment locationAddress / detailImportant note
Mail paymentOffice of Finance, Anne Arundel County Government, PO Box 17003, Baltimore, MD 21297-1003Include payment stub and make check payable to Anne Arundel County.
Overnight deliveryAnne Arundel Office of Finance, MS 1103, 44 Calvert Street, Room 110, Annapolis, MD 21401Use only when overnight delivery is needed.
Arundel Center44 Calvert Street, Annapolis, MD 21401Cashier office / in-person service location.
Arundel Center North101 North Crain Highway, 1st Floor, Glen Burnie, MD 21061The County noted temporary closure for construction effective March 9; check before visiting.
Heritage Complex – Building 26642664 Riva Road, Annapolis, MD 21401County cashier service location.
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Drop box warning: Use check or money order only. The County says not to place cash in drop boxes. Allow 1–2 days for drop box processing.

Open official Cashier’s Offices page

High bill and billing help

What to Do If Your Anne Arundel County Water Bill Is High, Missing or Hard to Pay

The County says customers should contact the Billing Office’s Customer Service Unit if they lost a bill, moved, cannot afford to pay the bill all at once, or the bill seems out of line compared to previous bills.

ProblemPossible reasonBest first action
Bill seems much higherIncreased water usage, leak, outdoor use, billing period change or wastewater charge impact.Call 410-222-1144 or email custserv@aacounty.org for account review.
Lost your billMail issue, address issue or misplaced quarterly bill.Use the online portal or contact Customer Service.
Moved or changed account responsibilityName/address records may need updating.Use official Utility Billing Name/Address Change forms.
Cannot pay all at onceBalance, hardship or timing issue.Call Customer Service early before the due date.
Summer wastewater charge concernOutdoor water use may not return to wastewater system.Review County excess use credit rules and current utility billing details.
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Practical high-bill tip: Check toilets, outdoor hose bibs, irrigation, water softener discharge, running faucets and damp yard spots before calling. Then contact County Customer Service with the bill date, account number and what you already checked.

Open official Public Works Billing Information

Account changes

Anne Arundel County Utility Billing Name or Address Changes

A form must be submitted to change the name or address for a utility billing account. The County provides separate forms for new owner changes and tenant changes.

New owner change

Use the official New Owner Change form to update property owner information on a utility billing account. The County says it must be completed by the new owner or title company.

Tenant change

Use the Tenant Change form to update tenant information. The County says this must be submitted by the property owner.

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Submission detail: The County says completed forms can be emailed to custserv@aacounty.org or mailed to Anne Arundel County Customer Service, P.O. Box 427, Annapolis, Maryland 21404.

Open official Name/Address Changes page

Utility operations

Bureau of Utility Operations, Water/Wastewater Service and County Infrastructure Concerns

Anne Arundel County Bureau of Utility Operations produces, treats and delivers public water and collects/treats wastewater for County customers. For infrastructure concerns, the County says to call 311 or report online through SeeClickFix.

Utility Operations

The Bureau of Utility Operations is the public works utility department for water distribution, wastewater systems, water/sewer connections and emergencies.

Report a concern

For County infrastructure or asset concerns, call 311 or report online. SeeClickFix can also be used to check inquiry status.

Billing vs. infrastructure

Use 410-222-1144 for billing questions. Use 311 / SeeClickFix for County infrastructure concerns.

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Routing tip: A payment issue, missing bill or account balance question is billing. A water main concern, public asset concern or utility infrastructure problem should be reported through the County concern route.
Contact and map

Anne Arundel County Water Bill Phone Number, Email, Mail Address and Cashier Office Map

Use these official contact details for utility billing questions, payment help, lost bills, high bills, account updates, cashier office visits and mail payments.

Utility Billing Customer Service

Phone: 410-222-1144

Email: custserv@aacounty.org

Pay by phone: 1-833-277-8723

Paymentus transaction help: 1-800-420-1663

Mail payment and office

Mail payment:
Office of Finance
Anne Arundel County Government
PO Box 17003
Baltimore, MD 21297-1003

Overnight / Arundel Center:
44 Calvert Street, Room 110, Annapolis, MD 21401

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Before contacting the County: Keep your utility account number, service address, payment confirmation, bill date, high-bill details, name/address change need, or payment hardship question ready.

Map shows Arundel Center at 44 Calvert Street, Annapolis, MD 21401. For online utility bill payment, use the official Anne Arundel County utility billing payment system.

Avoid mistakes

Common Anne Arundel County Water Bill Payment Mistakes

Most utility bill issues can be avoided by using official County links, entering the correct account information, reviewing convenience fees, avoiding cash in drop boxes and calling early if the bill is hard to pay.

MistakeWhy it creates troubleBetter action
Using unofficial payment sitesPayments may be delayed, misdirected or include unnecessary third-party confusion.Start from aacounty.org or the official Munis Self Service portal.
Ignoring convenience feesOnline/phone payments have non-refundable fees.Compare eCheck, card, mail and cashier options before paying.
Waiting until the due datePayments can take up to 48 hours to reflect.Pay early and save the confirmation number.
Putting cash in a drop boxThe County says not to place cash in drop boxes.Use check or money order for drop boxes, or pay cash at a cashier office if available.
Not calling about a high or unaffordable billYou may miss customer service options or billing review.Call 410-222-1144 or email custserv@aacounty.org early.
Best habit: Save the online payment link, 410-222-1144, 1-833-277-8723, your utility account number, and the mail payment address in one phone note.
Most searched FAQs

Pay Anne Arundel County Water Bill FAQs

These FAQs answer common searches about Anne Arundel County water bill payment, phone number, AutoPay, Paymentus fees, cashier offices, late fees, high bills and account changes.

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

Open the official Anne Arundel County Bills & Payments page or Utility Billing Information page, then choose the online utility billing payment system for water/wastewater 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 and payment information ready before calling.

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

Call Customer Service at 410-222-1144 for billing help. You can also email custserv@aacounty.org for utility billing assistance.

QCan I pay several Anne Arundel County utility bills in one transaction?

Yes. The County says the online payment option allows customers to pay one or several bills in a single transaction or schedule payments for a future date.

QHow long does an online payment take to show on my account?

The County says payments may show as pending and appear on the account within two business days. It also advises allowing up to 48 hours after payment date for payment to be reflected.

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

Yes. The County offers AutoPay for utility and real estate tax bills. You can set recurring payment for a fixed amount or the full amount due.

QWhat information is needed for AutoPay?

The County says you need checking/savings routing and account number, the name on the bank account, or debit/credit card details. Amazon Pay is listed as the digital wallet used for AutoPay.

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

Mail your payment to Office of Finance, Anne Arundel County Government, PO Box 17003, Baltimore, MD 21297-1003. Include the payment stub and do not mail cash.

QWhat is the overnight delivery address for Anne Arundel County water bill payment?

The County lists Anne Arundel Office of Finance, MS 1103, 44 Calvert Street, Room 110, Annapolis, MD 21401 as the overnight delivery address.

QCan I use a drop box for Anne Arundel County utility payment?

Yes. Yellow drop boxes are available at County cashier locations. Use check or money order only, do not place cash in drop boxes, and allow 1–2 days for processing.

QWhere are Anne Arundel County cashier offices?

County cashier locations include Arundel Center at 44 Calvert Street in Annapolis and Heritage Complex Building 2664 at 2664 Riva Road in Annapolis. The Glen Burnie location at 101 North Crain Highway may have temporary closure notices, so check the official cashier page before visiting.

QDoes Anne Arundel County charge convenience fees for water bill payment?

Yes. Online and phone payments are subject to non-refundable convenience fees. The County lists utility bill fees including $3.25 per credit/debit card transaction and $0.50 for eCheck.

QWhat happens if my payment is returned?

The County states that all banking return items and chargebacks are subject to a $25 fee.

QWhat is the late fee for Anne Arundel County utility bills?

If payment is not received by the net due date, the County says a 10% late fee is added to the bill.

QWho do I contact if my Anne Arundel County water bill is high?

Contact the Billing Office’s Customer Service Unit at 410-222-1144 or email custserv@aacounty.org. The County says to contact customer service if the bill seems out of line compared to previous bills.

QHow are Anne Arundel County water and wastewater bills calculated?

The County says bills are determined by the amount of water that has passed through your meter since the last meter reading. Wastewater usage is generally based on the amount of water delivered through the meter to the home.

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

Use the official Utility Billing Name/Address Changes page. The County provides New Owner Change and Tenant Change forms, with submission instructions by email or mail.

QWho do I call for County utility infrastructure concerns?

For County infrastructure or assets, the Bureau of Utility Operations says to call 311 or report online through SeeClickFix.

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

No. This is an independent guide. Official payments, billing support, account changes, County service requests and utility decisions must be handled through Anne Arundel County 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 a check, visiting a cashier office, requesting account changes or contacting utility billing customer service.

Official sourceUse it forOpen
Bills & PaymentsOnline payment, phone payment, AutoPay, mail, drop box, walk-in payment, convenience fees and assistance overview.Open Bills & Payments
Utility Billing Payment SystemPaying water/wastewater, front foot/CFA and installment agreement bills online.Open payment portal
Utility Billing InformationPayment methods, late fee, utility rates, AutoPay details, online payment instructions and billing information.Open utility billing info
Public Works Billing InformationBilling calculation, high bill/customer service help, mail payment address and wastewater billing details.Open billing information
Cashier’s OfficesIn-person payment locations, drop box notes, temporary closure notices and cashier office addresses.Open cashier offices
Enroll in AutoPayAutomatic recurring payment setup for utility and tax bills.Open AutoPay
Name/Address ChangesNew owner change, tenant change and billing account update forms.Open account changes
Bureau of Utility OperationsWater/wastewater operations, utility resources, online payment link and infrastructure concern reporting route.Open utility operations
Final takeaway: For most Anne Arundel County customers, use the official Munis utility billing portal to pay online, call 1-833-277-8723 for phone payment, call 410-222-1144 for billing help, enroll in AutoPay if you want recurring payments, and contact customer service early if the bill is high, missing, unaffordable or tied to a move/account change.
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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