Martin County Utilities Help Desk: Pay, Log In, Call or Start Service
Use this guide like a utility counter. Pick the task, open the official route, prepare the right account details, and avoid payment-posting, cutoff, service-start, or emergency-routing mistakes.
Start Here: Official Action Board
| Need | Use this official route | Prepare first | Do not miss |
|---|---|---|---|
| Pay without enrolling | Martin County Utility Online QuickPay | Account number, service address, payment method. | QuickPay lets users view most recent balance and pay without signup. |
| Login, view bills, paperless, autopay | Martin County Utility Online BillPay | Email, password, account number, service address. | Portal supports viewing bill detail, email notices, paperless, automatic payments, and multiple accounts under one login. |
| Pay by phone | 772-221-1434 | Account number and/or service address. | County page says credit-card phone payments are during regular business hours, Monday-Friday 8 AM-5 PM. |
| Mail payment | Martin County Utilities, PO Box 9000, Stuart, FL 34995-9000 | Check or money order, payment stub, account number. | Do not send cash by mail. |
| Pay in person | 3473 SE Willoughby Boulevard, Stuart, FL 34994 | Bill, ID, account number, cash/check/credit card. | Customer service office is Suite 102; verify holiday hours before visiting. |
| After-hours water/wastewater emergency | 772-221-1434 | Address, cross street, issue type, time started. | County answering service routes after-hour/weekend emergencies. |
| Start, transfer, or close account | Call customer service or use Request for Service | Address, phone, driver license or tax ID, existing account if any. | Beginning May 11, 2026, same-day new-account service is no longer available after 2:30 PM. |
| Water bill assistance | financialassist@martin.fl.us or 772-288-5785 | Delinquent bill, income proof, crisis explanation. | Lend a Hand may help qualifying Martin County Utilities customers up to $400 per quarter, once every 90 days, if funds are available. |
Local-provider warning: not every Martin County address is billed by Martin County Utilities. City of Stuart and South Martin Regional Utility customers use different portals and offices. Match the provider name printed on your bill before paying.
Official Contact, Address, Hours and Local Provider Check
Martin County Utilities
Utilities and Solid Waste
3473 SE Willoughby Boulevard
Suite 102
Stuart, FL 34994
Phone: 772-221-1434
Hours: Monday-Friday, 8 AM-5 PM
Service area
Martin County Utilities provides water and sewer service in unincorporated areas of Martin County.
Use your bill, property address, or customer service to confirm if your address is inside the County utility system.
After-hours emergency
For water/wastewater emergencies after hours or on weekends, call 772-221-1434.
The answering service routes urgent utility emergencies.
| Provider shown on bill | Use for | Official contact | Why this matters |
|---|---|---|---|
| Martin County Utilities | Unincorporated County water/sewer accounts. | 3473 SE Willoughby Blvd Suite 102, Stuart; 772-221-1434. | This article mainly covers this provider. |
| City of Stuart Utilities | City of Stuart utility/sanitation accounts. | 101 SW Flagler Avenue, Stuart, FL 34994; 772-288-5317. | Use City of Stuart portal if the bill is from the City, not Martin County. |
| South Martin Regional Utility / Jupiter Island Utilities | South Martin County / Hobe Sound-area utility accounts when billed by SMRU. | 9000 SE Athena Street, Hobe Sound, FL 33455; 772-546-2511. | Do not pay Martin County Utilities if the bill is from SMRU. |
Bill Pay and Login: Choose the Right Route
QuickPay
No enrollment. View most recent account balance and pay with bank account or credit/debit card.
Online BillPay
Login to view bill detail, print bills, go paperless, receive email alerts, and set automatic payments.
Phone payment
Pay by credit card during business hours at 772-221-1434.
Have account number and/or service address.
Martin County Utilities
PO Box 9000
Stuart, FL 34995-9000
Include stub and account number. No cash.
Start, Transfer or Close Water/Sewer Service
Start service
- Call 772-221-1434 or visit 3473 SE Willoughby Blvd.
- Prepare service address and phone number.
- Driver license number or tax ID may be requested.
- Existing account number may help if transferring.
- Deposit may be required.
New location never served
- Application must be completed.
- Required fees must be paid.
- Ask whether water, sewer, meter, lateral, impact/capital facility, or service availability charges apply.
- Use Request for Service for additional questions.
2026 timing rule
- Beginning May 11, 2026, same-day service for new accounts is not available after 2:30 PM.
- Call early if moving, closing, or starting service.
- Do not wait until the afternoon of move-in day.
Water or Wastewater Emergency: What to Report
No water / low pressure
Call 772-221-1434. Say whether all taps are affected, when it began, and whether neighbors are affected.
Sewer backup
Call immediately. Avoid wastewater contact, stop using fixtures if backup worsens, and keep children/pets away.
Storm/hurricane impact
Pressure loss, pipe break, flooding, infrastructure failure, or water-quality monitoring issues can trigger boil-water notices.
| Issue | Say this | Have ready |
|---|---|---|
| Water main break | “Water is flowing/bubbling at [location].” | Nearest address, cross street, traffic risk, photos if safe. |
| Sewer backup | “Wastewater is backing up at [fixture/location].” | Address, fixture affected, start time, whether neighbors are affected. |
| No water | “No water at [address], all taps/some taps affected.” | Account address, outage start, construction nearby, payment status if relevant. |
| Boil-water notice | “Is my address inside the affected notice area?” | Full address, subdivision/community name, AlertMartin message if received. |
2026 Rate Snapshot: What Searchers Usually Need
Martin County’s current utilities rates sheet is effective June 1, 2025 and states the rates increased 2.5% and were rounded to the nearest cent.
Residential 5/8" or 8/8"
Minimum monthly bill:
Water $19.99 + Sewer $20.73.
Residential usage
0-10,000 gallons:
Water $2.56 / 1,000 gallons + Sewer $5.06 / 1,000 gallons.
Sewer-only flat rate
Wastewater customers not serviced with water by Martin County Utilities pay $58.54 monthly per equivalent residential connection.
| Rate item | Official amount | Useful note |
|---|---|---|
| Residential minimum 5/8" | Water $19.99; Sewer $20.73 | Common residential base bill before usage. |
| Residential minimum 1" | Water $45.83; Sewer $20.73 | Larger meter increases water minimum. |
| Residential water usage 0-10,000 gallons | $2.56 per 1,000 gallons | First usage tier. |
| Residential sewer usage 0-10,000 gallons | $5.06 per 1,000 gallons | Applies within first tier. |
| Residential water usage 10,001-15,000 gallons | $3.64 per 1,000 gallons | Higher water-only tier. |
| Residential water usage 15,001-25,000 gallons | $4.65 per 1,000 gallons | Higher water-only tier. |
| Residential water usage 25,000+ | $5.66 per 1,000 gallons | Highest listed residential tier. |
| Commercial usage | Water $3.10; Sewer $5.06 per 1,000 gallons | Different from residential tier structure. |
| Reclaimed irrigation usage | $0.56 per 1,000 gallons | For reclaimed irrigation customers. |
| Meter connection/lateral 5/8" or 8/8" | Meter $335; Lateral $450 | New service or connection planning item. |
Official rate source:
High Bill or Meter Concern: Fast Review Path
Check usage first
- Compare current and previous bill periods.
- Check irrigation, pool filling, guests, leaks, and toilets.
- Look for a sudden jump in 1,000-gallon usage.
Request meter test
- County says meters are regularly tested for accurate readings.
- If inaccurate, bill is adjusted based on previous 12 months of water use.
- If meter functions properly, a $20 meter-test charge appears on the next bill.
Before submitting
- Collect bill screenshots.
- Take meter photo if safe.
- Document leak repairs.
- Submit a Request for Help or Information.
Water Bill Assistance: Lend a Hand Program
Who may qualify?
- Must be a Martin County resident.
- Must be a Martin County Utilities customer.
- Must be below 300% of the federal poverty level.
- Must have a crisis preventing payment.
- Subject to funding availability.
Help amount and contact
- Maximum assistance: $400 per quarter.
- Apply once every 90 days.
- Email financialassist@martin.fl.us.
- Call 772-288-5785.
- Human Services questions: 772-288-5456.
Before calling: have the delinquent bill, account number, household income proof, crisis explanation, ID, and any shutoff/final notice.
Boil Water Notices: What to Do
Why notices happen
Triggers include pressure loss, pipe breaks, hurricanes, heavy rain/flooding, routine maintenance, infrastructure issues, or water-quality monitoring concerns.
What to boil
Use boiled water for drinking, cooking, making ice, brushing teeth, or anything involving water consumption.
How long?
No fixed time. Notice remains until the problem is fixed and bacteriological testing confirms water is safe.
Water Quality, PFAS and Service Line Inventory
Drinking water report
Martin County says the previous calendar year’s water quality report is posted online by July 1 of the current year.
UCMR5 / EPA study
Martin County participates in EPA’s UCMR5 monitoring for unregulated contaminants.
Safe Drinking Water Hotline: 800-426-4791
PFAS
County says it meets or exceeds federal and state drinking-water standards and voluntarily increased PFAS surveillance.
| Question | Official answer users need | Action |
|---|---|---|
| Does Martin County show lead service lines? | County says the inventory shows no lead lines in the Martin County Utilities service area. | Use the inventory map and search by address. |
| Who owns which part? | County owns the line from water main to meter, including meter and box. Property owner owns meter-to-home plumbing. | Use this before repairs or property-sale questions. |
| Address missing from map? | County says it may mean the address is not linked to a Martin County Utilities water account. | Call customer service or email inventory questions. |
| Inventory contact | inventory@martin.fl.us or 772-221-1434. | Use for service-line material questions. |
| PFAS exposure reduction | County suggests reducing certain non-stick cookware, stain-resistant fabrics, PFAS food packaging, certain personal-care products, and household dust. | Use PFAS page and water quality report for official updates. |
Reclaimed Water and Irrigation Rules
Reclaimed water facts
- Made from highly treated domestic wastewater.
- Typically used for irrigation.
- County says it has 23 reclaimed-water customers receiving about 75 million gallons per month.
- County says it recycles more than half of wastewater entering its treatment plants.
- Contact utilities at 772-221-1434.
Do not use reclaimed water for
- Drinking or cooking.
- Connecting to drinking-water pipes.
- Filling pools, hot tubs, or wading pools.
- Irrigating edible crops that will not be peeled, skinned, or cooked.
Irrigation rule note: Martin County says its landscape irrigation ordinance applies to all water sources, including well water, unless an exception applies. Variance questions go to Utilities & Solid Waste at 772-221-1434.
Connect to Protect: Septic-to-Sewer Help
Program purpose
Connect to Protect is Martin County’s initiative to transition residential properties from septic systems to the County wastewater system.
Financing options
SHIP may provide up to $23,000 for qualifying homeowners. CDBG may provide up to $80,000 for qualifying unincorporated-area homeowners.
Sign up / ask
Submit an online inquiry or call Martin County Utilities at 772-221-1434.
Martin County Utilities Map and Office Directions
Use this map for the Martin County Utilities and Solid Waste customer service office at 3473 SE Willoughby Boulevard, Suite 102, Stuart, FL 34994.
| Place | Address | Use for |
|---|---|---|
| Martin County Utilities and Solid Waste | 3473 SE Willoughby Boulevard, Suite 102, Stuart, FL 34994 | Customer service, in-person payment, new account, transfer/close service questions. |
| Mail payment | PO Box 9000, Stuart, FL 34995-9000 | Check or money order with stub/account number. Do not send cash. |
| Martin County Administration | 2401 SE Monterey Road, Stuart, FL 34996 | General county government address, not the utility bill-pay counter. |
| City of Stuart Utility Counter | 101 SW Flagler Avenue, Stuart, FL 34994 | City of Stuart utility customers only. |
| South Martin Regional Utility | 9000 SE Athena Street, Hobe Sound, FL 33455 | SMRU/Jupiter Island Utilities customers only. |
Video Help: Use Official County Channels First
Best use
No official utility bill-pay tutorial video was verified for this specific portal during source checks. For account actions, use the official payment links above and the county customer-service page.
Martin County Water Utilities FAQ
What is the Martin County Utilities phone number?
The customer service number is 772-221-1434. Use the same number for after-hours or weekend water/wastewater emergencies.
Where is the Martin County Utilities office?
The Utilities and Solid Waste customer service office is at 3473 SE Willoughby Boulevard, Suite 102, Stuart, FL 34994.
What are Martin County Utilities customer service hours?
Customer service representatives are available Monday through Friday from 8 a.m. to 5 p.m., except major holidays.
How do I pay my Martin County water bill online?
Use Martin County Utility Online QuickPay for one-time payment without enrollment, or Online BillPay to log in, view bills, go paperless, and set automatic payments.
Can I pay by phone?
Yes. Martin County says customers may pay by credit card during regular business hours by calling 772-221-1434. Have your account number and/or service address ready.
Where do I mail a payment?
Mail check or money order to Martin County Utilities, PO Box 9000, Stuart, FL 34995-9000. Include the payment stub and account number. Do not mail cash.
How do I start new water or sewer service?
Call 772-221-1434 or visit the office. Your address, phone number, driver license or tax ID, and existing account number may be requested. A deposit may also be required.
Is same-day new-account service available after 2:30 p.m.?
Beginning May 11, 2026, same-day service for new accounts will no longer be available after 2:30 p.m.
What if I have a water or sewer emergency after hours?
Call 772-221-1434. Martin County Utilities and Solid Waste’s answering service responds to after-hour and weekend emergencies.
What is the Lend a Hand Program?
It is Martin County’s water bill assistance program for qualifying Martin County Utilities customers experiencing hardship. It may provide up to $400 per quarter, once every 90 days, subject to funds.
How much is a meter test?
If the meter test shows the meter is accurate, Martin County says a $20 meter-test charge will appear on the next bill. If inaccurate, the bill is adjusted based on the previous 12 months of water use.
Does Martin County Utilities have lead service lines?
Martin County says its inventory currently shows no lead lines in the Martin County Utilities service area. Use the service-line inventory map to check address-level information.
What should I do during a boil-water notice?
Bring water to a rolling boil for at least one minute, let it cool, and store it in clean covered containers. Use boiled water for drinking, cooking, ice, brushing teeth, and consumption-related uses.
Is reclaimed water safe to drink?
No. Martin County says reclaimed water should not be used for drinking or cooking, connected to drinking-water pipes, used to fill pools/hot tubs, or used on certain edible crops.
Is this the official Martin County Utilities website?
No. This is an informational guide. Confirm live balance, shutoff status, fees, notices, service changes, and emergency instructions with official Martin County sources.
30-Second Martin County Utility Checklist
Pay: QuickPay for one-time payment, BillPay for login/paperless/autopay, phone 772-221-1434 for business-hours card payment.
Call: Customer service and after-hours emergency routing both use 772-221-1434.
Visit: 3473 SE Willoughby Boulevard, Suite 102, Stuart, FL 34994.
Mail: PO Box 9000, Stuart, FL 34995-9000. Include account number. No cash.
Start service: call early; after May 11, 2026, no same-day new account service after 2:30 PM.
Need help: Lend a Hand water bill assistance: financialassist@martin.fl.us or 772-288-5785.