Mid-Peninsula Water District supplies safe drinking water to residential and commercial customers in Belmont, San Carlos, and parts of San Mateo County, California. Monthly bills include usage charges with a clear due date printed on each statement. Timely payment prevents late fees and service interruptions.
- For the most current details on accounts and billing, visit the official Paying Your Bill page at https://www.midpeninsulawater.org/paying-your-bill where you can access the secure Xpress Bill Pay portal and all options.
- Customers can also make secure one-time or recurring payments directly through the official Xpress Bill Pay system at https://xpressbillpay.com/#/?org=midpeninsula11100.
Online Payment with Xpress Bill Pay
Mid-Peninsula Water District offers convenient 24/7 online bill pay through its secure Xpress Bill Pay portal. New users complete a simple one-time registration using your account number from your monthly bill. Once logged in, you can view current and past bills, track usage history, enroll in paperless e-billing, and make one-time or recurring payments from any device. The portal supports checking account (ACH), credit card, or debit card payments. Payments are processed securely and typically post the same or next business day. The portal is fully secure and mobile-friendly.
Automatic Payments
Set up automatic payments through Xpress Bill Pay using your checking account, credit card, or debit card. This free service deducts the billed amount on the due date each month, eliminating missed payments and late fees. You can modify or cancel automatic payments anytime through the portal.
Pay by Phone
Call (833) 510-6375 to pay with your checking account, credit card, or debit card. The automated system guides you through the process securely. For billing questions or assistance, the same number connects you to representatives during office hours.
Mail Payments
Mail your payment with the coupon at the bottom of your bill (payable to Mid-Peninsula Water District) to the remittance address printed on your statement. Include your full account number on the check. Do not send cash. Allow 5–7 business days for mail delivery and processing. This option is completely fee-free.
In-Person & Drop Box Payments
Drop payments at two secure locations:
- 24/7 drop box at the District office: 1075 Old County Road, Suite A, Belmont, CA 94002
- Drop box at Carlmont Shopping Center (office area next to Ace Hardware store) during business hours
Payments deposited in drop boxes are processed the next business day. For in-person assistance, visit the District office during regular hours.
Contact Customer Service
Reach Mid-Peninsula Water District customer service at (650) 591-8941 (Monday–Thursday, 8:00 AM–4:30 PM) for billing inquiries, payment arrangements, service starts/stops, or portal assistance. Email: [email protected]. The District office is located at 1075 Old County Road, Suite A, Belmont, CA 94002.
Frequently Asked Questions
Can I pay my Mid-Peninsula Water District bill online without creating an account? The Xpress Bill Pay portal supports quick payments after simple registration using your account number from the bill.
What payment methods does Mid-Peninsula Water District accept? The portal accepts checking account (ACH), credit card, or debit card. Mail accepts checks or money orders. Drop boxes accept checks or money orders.
Are there convenience fees for Mid-Peninsula Water District payments? No convenience fees are mentioned for official Xpress Bill Pay, phone, mail, or drop box payments. Confirm any card processing details during checkout.
Where do I mail my Mid-Peninsula Water District payment? Use the remittance address printed on your monthly bill. Always include your account number on the check.
What are the drop box payment options? 24/7 drop box at 1075 Old County Road, Suite A, Belmont, CA 94002, and a drop box at Carlmont Shopping Center (next to Ace Hardware) during business hours.
How do I set up automatic payments? Enroll through Xpress Bill Pay using your checking account, credit card, or debit card. It is free and deducts automatically on the due date.
What services does Mid-Peninsula Water District provide? Safe drinking water supply to Belmont, San Carlos, and parts of San Mateo County, California.
How do I get help with payment arrangements or billing issues? Call (650) 591-8941 during office hours or email [email protected]. Flexible arrangements are available through customer service.
