WSSC Water Bill – Pay Online, Guest Pay, Phone Number, CAP Assistance, Payment Plans & Leak Help

Updated 2026 • Official WSSC Water links reviewed

WSSC Water Bill: Pay Online, Guest Pay, Phone Number, CAP Assistance, PromisePay Plans and Leak Help

WSSC Water customers often need more than a payment button. You may need guest pay, account lookup, customer service, a payment plan, CAP assistance, leak repair support, a high-bill adjustment, start/stop service or emergency reporting. This guide keeps the official WSSC Water bill payment and customer help links in one practical place.

301-206-4001Customer service
301-206-4002Water/sewer emergency
301-900-5551PromisePay plans
14501 Sweitzer LnLaurel, MD office
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Pay as guest

Use account number and property ZIP code for one-time WSSC Water guest payment.

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My WSSC Water

Login or register to manage your account, online billing and customer tools.

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Bill help

CAP, PromisePay and other assistance options may help eligible customers.

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Emergency

Call 301-206-4002 for broken water main, sewer emergency or urgent water issue.

Main Official WSSC Water Bill Links

Editorial trust note: This guide was prepared from official WSSC Water payment, customer service, rates, assistance, PromisePay, CAP Leak Repair, billing adjustment and emergency resources.
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Independent guide: Water-Department.org is not WSSC Water. Official payments, account decisions, assistance, payment plans, adjustments, service changes and emergencies must be handled through WSSC Water and official resources.

Payment options

How to Pay Your WSSC Water Bill Online, as Guest, by Phone, App, Mail, Drive-Thru or In Person

WSSC Water offers multiple payment routes. The fastest online route is Pay as Guest or My WSSC Water login. Use the official payment page first so you do not land on an unofficial payment website.

Payment methodOfficial detailBest use
Pay as GuestRequires account number and property ZIP code.Open Pay as Guest for a one-time payment.
My WSSC Water loginLogin or register for online account management.Open login/register for ongoing account tools.
Phone paymentWSSC Water customer service can be reached at 301-206-4001 for account help.Use when you need billing help or have a payment issue.
Mobile appWSSC Water lists mobile app payment as one payment route.Useful for customers who prefer mobile account access and emergency reporting.
MailWSSC Water uses 14501 Sweitzer Lane, Laurel, MD 20707 in official contact materials.Use only when there is enough time before due date.
Drive-thru or in personWSSC Water lists drive-thru and in-person payment options.Useful for customers who need direct payment support or local service help.
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Payment safety tip: Start from wsscwater.com/paymybill or my.wsscwater.com before entering account details. Avoid random bill-pay sites that may charge extra or delay payment posting.
Account tools

My WSSC Water Login, Account Lookup and Guest Payment Tips

If you do not have your account number, use WSSC Water’s account lookup resources from the official login page. For guest pay, you need your account number and property ZIP code.

Guest payment

Best when you want to pay quickly without creating an online profile.

Registered account

Better for customers who want online billing, account history, paperless options and self-service tools.

Account lookup

Use the account lookup tool from WSSC Water if you need your account number before paying.

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Login tip: Keep your latest bill nearby before registering. Use the property ZIP code exactly as it appears for the service address when using guest payment.
Assistance and payment plans

WSSC Water CAP Assistance, PromisePay Flexible Plans and Leak Repair Help

If you cannot pay in full, do not wait until the account becomes urgent. WSSC Water lists financial assistance, CAP, PromisePay flexible payment plans and CAP Leak Repair resources.

Help optionOfficial detailBest next step
Customer Assistance ProgramCAP provides financial assistance to approved residential customers and is connected to OHEP enrollment.Open CAP page and follow OHEP-related application guidance.
Flexible Payment PlansWSSC Water offers PromisePay plans online or by phone at 301-900-5551.Open payment plans or call 301-900-5551.
CAP Leak Repair ProgramCAP-enrolled customers with suspected on-property leaks may contact WSSC Water for a free annual plumbing leak investigation.Call 301-206-4001 if enrolled in CAP and you suspect a leak.
Billing adjustmentWSSC Water accepts billing adjustment requests by email when customers believe they qualify under regulations.Email customerservice@wsscwater.com with account details and documentation.
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Assistance call script: “I am a WSSC Water customer and I need help paying my bill. Can you check whether I qualify for CAP, PromisePay, a billing adjustment or leak repair support?”
Rates and fees

WSSC Water Rates, Ready-To-Serve Charges and Account Fees

WSSC Water rates can change by fiscal year, so always verify the latest official rate page before estimating your bill. For FY2026, WSSC Water lists tiered water and sewer rates by average daily consumption.

Usage tierFY2026 water rateFY2026 sewer rateCombined rate
0 – 80.9999 gallons/day$7.33 / 1,000 gallons$9.72 / 1,000 gallons$17.05 / 1,000 gallons
81 – 165.9999 gallons/day$8.28 / 1,000 gallons$10.79 / 1,000 gallons$19.07 / 1,000 gallons
166 – 275.9999 gallons/day$9.53 / 1,000 gallons$13.55 / 1,000 gallons$23.08 / 1,000 gallons
276+ gallons/day$11.17 / 1,000 gallons$17.90 / 1,000 gallons$29.07 / 1,000 gallons
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Rate tip: Your bill may include more than water/sewer consumption. WSSC Water notes that monthly or quarterly bills also include Ready-To-Serve charges, and fees may apply depending on the account situation.

Open official WSSC Water rates page

Open official WSSC Water fees page

High bill and leaks

High WSSC Water Bill, Leak Repair and Billing Adjustment Request

A high bill can come from leaks, irrigation, running toilets, estimated bills, seasonal use, meter reading issues or prior balances. WSSC Water has official resources for billing adjustments and CAP leak repair support.

IssueOfficial routePractical action
High bill with possible leakBilling Adjustment RequestDocument leak type, repair date, who repaired it and affected billing periods.
CAP customer with suspected leakCAP Leak Repair ProgramCall 301-206-4001 to ask about free annual plumbing leak investigation.
Inside meter accountBilling Adjustment Request instructionsInclude a current meter reading when emailing the adjustment request.
Public water or sewer emergencyEmergency Services CenterCall 301-206-4002 for broken water main, sewer emergency or urgent service issue.
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Adjustment email tip: Use a clear subject line with account number or service address and adjustment type. In the email body, explain the issue, leak type if applicable, repair date, repair person/company and affected bills.

Open official Billing Adjustment Request page

Start or stop service

Start or Stop WSSC Water Service When Moving

If you are moving into or out of a property served by WSSC Water, use the official Start or Stop Service page instead of only making a payment.

Start service

Use the online form for starting service. Keep service address, move date and customer information ready.

Stop service

Submit stop-service details before moving out so the account does not continue under your responsibility.

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Service help: WSSC Water lists 301-206-4001, 1-800-634-8400 and TTY 301-206-8345 for start/stop service assistance Monday through Friday, 8 a.m. to 6 p.m.

Open official Start or Stop Service page

Contact and map

WSSC Water Customer Service Phone Number, Email, Emergency Number, Address and Map

Use these official contact details for bill payment questions, account lookup, guest payment problems, start/stop service, assistance, high bills, billing adjustments and emergency reporting.

Customer service

Phone: 301-206-4001

Email: customerservice@wsscwater.com

PromisePay plans: 301-900-5551

Emergency: 301-206-4002

Office and service area

Address: 14501 Sweitzer Lane, Laurel, MD 20707

Service area: Montgomery County and Prince George’s County, Maryland.

For account questions, keep your account number, service address, property ZIP code and recent bill ready.

Map shows WSSC Water at 14501 Sweitzer Lane, Laurel, MD 20707. For bill payment, start from the official Pay My Bill page or My WSSC Water login.

Avoid mistakes

Common WSSC Water Bill Mistakes That Cause Payment Delays, Missed Help or Higher Bills

Most account problems can be avoided by using the official payment portal, checking assistance early, documenting leaks and using the emergency number for urgent issues.

MistakeWhy it creates troubleBetter action
Using unofficial payment websitesThird-party pages may charge extra, delay payment or confuse account status.Start from wsscwater.com/paymybill or my.wsscwater.com.
Not having account numberGuest payment requires account number and property ZIP code.Use WSSC Water account lookup before paying.
Waiting too long for payment helpPayment plans and assistance may require enrollment steps.Open CAP, assistance and PromisePay resources early.
Ignoring a leakLeaks can raise water/sewer bills quickly and may need documentation for adjustment.Repair leak, save receipts and email billing adjustment details.
Calling billing for emergencies onlyEmergency issues need urgent routing.Call 301-206-4002 for water or sewer emergencies.
Not stopping service when movingYou may remain responsible for usage after leaving.Submit official Start or Stop Service request before moving.
Best habit: Save Pay as Guest, My WSSC Water login, 301-206-4001, 301-206-4002, 301-900-5551 and your WSSC Water account number in one phone note.
Most searched FAQs

WSSC Water Bill FAQs

These answers cover common searches about WSSC Water bill payment, guest pay, account lookup, customer service, CAP, PromisePay, leak repair, billing adjustments, rates and emergency reporting.

QHow do I pay my WSSC Water bill online?

Use the official WSSC Water Pay My Bill page. You can sign in to My WSSC Water or use Pay as Guest for a one-time payment.

QCan I pay WSSC Water without creating an account?

Yes. Use WSSC Water Pay as Guest. You need your account number and property ZIP code.

QWhere do I login to My WSSC Water?

Use the official My WSSC Water login page from WSSC Water’s website. From there, you can register, sign in or use guest payment tools.

QWhat is the WSSC Water customer service phone number?

WSSC Water lists customer service phone number 301-206-4001.

QWhat is the WSSC Water customer service email?

WSSC Water lists customerservice@wsscwater.com for customer service email.

QWhat is the WSSC Water emergency number?

For water or sewer emergencies, WSSC Water lists 301-206-4002.

QDoes WSSC Water offer payment plans?

Yes. WSSC Water offers flexible payment plans through PromisePay. You can sign up online or call 301-900-5551 for payment plan questions.

QAre WSSC Water PromisePay plans interest-free?

PromisePay states that WSSC Water payment plans are interest-free and have no fees, no late fees and no prepayment penalties.

QDoes WSSC Water have financial assistance?

Yes. WSSC Water lists financial assistance programs including the Customer Assistance Program. CAP is connected to OHEP qualification and can provide fee credits and late-fee relief.

QWhat is the WSSC Water CAP Leak Repair Program?

The CAP Leak Repair Program helps CAP-enrolled customers who suspect an on-property leak. WSSC Water says eligible customers should call 301-206-4001 for a free annual plumbing leak investigation.

QHow do I request a WSSC Water bill adjustment?

Email customerservice@wsscwater.com with your account number or service address, adjustment type, issue description, repair dates, who made the repairs and affected billing periods where applicable.

QWhat are WSSC Water FY2026 rates?

WSSC Water lists tiered FY2026 water and sewer rates by average daily consumption. The lowest combined tier is $17.05 per 1,000 gallons and the highest listed combined tier is $29.07 per 1,000 gallons. Always verify current rates on the official WSSC Water rates page.

QHow do I start or stop WSSC Water service?

Use the official WSSC Water Start or Stop Service page. For help with the form, WSSC Water lists 301-206-4001, 1-800-634-8400 and TTY 301-206-8345 during posted service hours.

QWhere is WSSC Water located?

WSSC Water lists its address as 14501 Sweitzer Lane, Laurel, MD 20707.

QIs Water-Department.org the official WSSC Water website?

No. This is an independent guide. Official payments, account decisions, assistance, payment plans, adjustments, service changes and emergency reporting must be handled through WSSC Water and official resources.

Official source table

Official Sources for WSSC Water Bill Customers

Use these official WSSC Water resources for final confirmation before paying, registering, requesting service, applying for help, asking for an adjustment, checking rates or reporting an emergency.

Official sourceUse it forOpen
Pay My BillOfficial overview of online, phone, app, drive-thru, mail and in-person payment options.Open payment page
My WSSC Water LoginAccount login, registration, account lookup and online customer tools.Open login
Pay as GuestOne-time guest payment with account number and property ZIP code.Open guest pay
Customer ServiceCustomer service phone, email, pay bill, start/stop service, report emergency and account support.Open customer service
Start or Stop ServiceMoving in, moving out, service start/stop forms and service support phone numbers.Open service page
Financial AssistanceOverview of WSSC Water assistance programs and affordability support.Open assistance
CAPCustomer Assistance Program details and OHEP-related qualification route.Open CAP
Flexible Payment PlansPromisePay payment plan enrollment and 301-900-5551 support.Open payment plans
CAP Leak RepairLeak investigation and repair help for CAP-enrolled customers.Open leak repair
Billing Adjustment RequestHigh bill or leak-related adjustment request instructions.Open adjustment page
Final takeaway: For most WSSC Water customers, use Pay as Guest for one-time payment, My WSSC Water for account tools, 301-206-4001 for customer service, 301-900-5551 for payment plans, CAP for assistance, CAP Leak Repair for eligible leak help, and 301-206-4002 for water or sewer emergencies.

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Water Bill Smart Helper

Find the Right Water Bill Payment, Login, High Bill or Shutoff Help

Use this sitewide helper before paying, registering, disputing a high bill, setting up service, dealing with a shutoff notice, or asking for water bill assistance.

Official-payment focused Use your city, county, utility, or water department’s official payment portal before using third-party sites.
Built for real problems Guest pay, account login, autopay, late bills, high usage, leak checks, move service, and help programs.
Educational only Always confirm balances, shutoff deadlines, fees, leaks, and payment plans with the official utility.

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Use this when moving in, moving out, transferring service, or handling a final water bill.

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Before You Pay Water Bill Checklist

Check these items before submitting a water bill payment, especially with guest pay, phone pay, mail, cash, or past-due balances.

Official payment safety note: This helper is educational only. Always use your utility’s official website, phone number, office, or approved payment processor. Confirm balances, fees, shutoff deadlines, payment posting times, assistance rules, and service requests directly with the water department.