Where to pay your Modesto water bill

The City of Modesto accepts water bill payments through three main routes: online through their official website, by mail to their lockbox address, or in person at their payment office. The fastest and most convenient method is online, which processes immediately and requires only your account number and a valid payment method. If you prefer not to use the internet, you can mail a check or money order, or walk in during business hours to pay with cash, check, debit card, or credit card.

Your bill arrives monthly and shows your account number in the upper right corner — you will need this for any payment method. The due date is typically 20 days from the bill date. Payments made online or in person post the same day; mailed payments take 7 to 10 business days to reach the city and clear, so mail early if your due date is approaching.

Key Takeaways

  • Pay online at the City of Modesto's official website using your account number and a debit or credit card for immediate processing.
  • Mail payments to the lockbox address shown on your bill; allow 7 to 10 business days for the payment to clear.
  • Pay in person at the Modesto Water Department office with cash, check, debit card, or credit card during posted business hours.
  • Your account number appears on your bill and is required for all payment methods.
  • Late fees begin 20 days after your bill date, so confirm your payment method and timing to avoid them.

Paying online through the City of Modesto website

Visit the City of Modesto's official water billing portal to pay online. Look for the "Pay My Bill" or "Online Bill Pay" link on the city's website — this is the safest route because it connects directly to the city's system and avoids third-party payment sites that may charge extra fees.

You will need your account number (found on your bill) and either a debit card or credit card. Enter your account number, select the amount to pay, and provide your card information. The payment processes immediately, and you will receive a confirmation number on screen — save or print this for your records. The city posts the payment to your account the same day.

Some third-party payment processors also handle Modesto water bills, but they typically charge a convenience fee (usually $2 to $5) on top of your bill amount. The city's direct online portal does not charge this fee, so use that option first.

Mailing a check or money order

Write your account number on the front of your check or money order. Include the payment stub that came with your bill if possible — it has your account number printed on it and helps the city process your payment faster. Mail your payment to the lockbox address listed on your bill.

Mailed payments take 7 to 10 business days to arrive and post to your account. If your due date is within two weeks, do not rely on mail; use online pay or pay in person instead. Late fees begin 20 days after your bill date, and the city counts the date the payment arrives at the lockbox, not the date you mail it.

Keep a copy of your cancelled check or a photo of your money order receipt as proof of payment. If you never receive a bill (which happens occasionally), you can still mail a payment to the lockbox address with a note including your account number and service address.

Paying in person at the Modesto Water Department office

The Modesto Water Department office is located at 200 West First Street, Modesto, CA 95354. They accept cash, checks, debit cards, and credit cards. Bring your bill or account number, and the staff will process your payment on the spot. You will receive a receipt immediately.

Office hours are typically Monday through Friday, 8:00 a.m. to 5:00 p.m., but confirm the current hours on the city's website or by calling (209) 342-8090 before you go. The office is closed on city holidays. Payments made in person post to your account the same day.

If you cannot visit during regular hours, the city may offer after-hours drop boxes or payment kiosks at the office location. Check the city's website or call to confirm whether these options are available.

Setting up automatic payments

The City of Modesto allows you to set up automatic monthly payments so you do not have to remember to pay each month. Log into the online bill pay portal and look for an option to enroll in automatic payments or recurring billing. You will provide your bank account or card information once, and the city will deduct your bill amount automatically on or near your due date each month.

Automatic payments reduce the risk of late fees because the payment goes out on schedule without you having to take action. You can change or cancel automatic payments at any time through the online portal. If your bill amount varies significantly month to month (which is common with water bills), you may prefer to pay manually so you can review each bill before paying.

Understanding late fees and service disconnection

Late fees begin 20 days after your bill date. The city typically adds a percentage of your unpaid balance as a late charge. If your bill remains unpaid for 60 days or more, the city may issue a notice of intent to disconnect your water service. This notice gives you a window to pay the full amount owed plus any late fees and reconnection costs to avoid disconnection.

If your water is disconnected, you must pay the full balance owed plus a reconnection fee (which varies) to restore service. Reconnection usually takes one to two business days. If you are struggling to pay your bill, contact the city's customer service line at (209) 342-8090 to ask about payment plans or hardship programs that may be available.

What to do if you have a billing question or dispute

If your bill seems incorrect, contact the Modesto Water Department customer service at (209) 342-8090 or visit their office in person. Have your account number and bill ready. The city will review your account history, meter readings, and usage to investigate the issue.

Do not withhold payment while disputing a charge — continue to pay the undisputed portion of your bill on time to avoid late fees. Once the city resolves the dispute, they will adjust your account if an error is found. If you disagree with the outcome, ask about the formal complaint process.

Frequently Asked Questions

Can I pay my Modesto water bill with a credit card online without a fee?

Yes, the City of Modesto's official online portal does not charge a convenience fee for credit or debit card payments. Third-party payment processors may charge $2 to $5, so use the city's direct website to avoid that cost.

What happens if I mail my payment but it arrives after the due date?

Late fees begin 20 days after your bill date. The city counts the arrival date at the lockbox, not the date you mailed it. If your due date is within two weeks, pay online or in person instead of mailing.

Can I set up automatic payments if my bill amount changes every month?

Yes, but you can choose to pay a fixed amount each month or allow the city to deduct the full bill amount. If your usage varies significantly, manual payment lets you review each bill before paying. You can switch between automatic and manual at any time.

What do I do if my water service is disconnected for non-payment?

Contact the Modesto Water Department immediately at (209) 342-8090. You must pay the full balance owed plus late fees and a reconnection fee to restore service. The city may offer a payment plan if you cannot pay the full amount at once.

Where do I find my account number if I lost my bill?

Your account number is printed on your water bill in the upper right corner. If you do not have a bill, call the Modesto Water Department at (209) 342-8090 and provide your service address. They will give you your account number so you can pay online or by mail.