Cambridge Water Department, MA: Bill Pay, Phone & Address 2026

Cambridge Water Department Quick Facts Before You Pay

Cambridge water bills are issued quarterly by the Cambridge Water Department together with the Tax Collector’s Office. The official Water Bill Information page says bills are due and payable within 30 days of the billing date.

For payment questions, contact the Tax Collector’s Office at 617-349-4220. For meter readings, address changes and service calls, contact 617-349-4771. For water-related emergency help, call the Water Department at 617-349-4770 24 hours a day.

What This Cambridge Water Department Guide Covers

How to Pay Cambridge Water Bill Online

The safest route is the official City of Cambridge “Pay or View a Bill Online” page. The City says residents can view and pay water bills online, along with real estate, excise, personal property and other City invoices.

Online payment is a fee-based service. For water/sewer bills, the City lists a 2.95% card fee with a $1.95 minimum and a $0.40 E-check fee.

Cambridge Water Bill Pay by Phone

The City of Cambridge says balances can be checked and City invoices can be paid using any phone’s numbers-keypad through the Interactive Voice Response system at 617-314-8226.

Balance checks are free. The City states that an additional $0.95 fee applies only for payments made through the phone system.

Cambridge Water Bill Payment Questions: Tax Collector Contact

For questions regarding water bill payments, the official Water Bill Information page directs customers to the Tax Collector’s Office at 617-349-4220.

Meter Readings, Address Changes and Service Calls

For meter readings, address changes and service calls, the official Water Bill Information page lists 617-349-4771. This number is different from the Tax Collector payment number.

Pay Cambridge Water Bill by Mail

The City’s Water Bill Information page says checks should be made payable to The City of Cambridge and mailed to the Tax Collector’s Office.

Cambridge Water Department Address, Phone Number and Hours

The official Water Department contact page lists the department at 250 Fresh Pond Parkway, Cambridge, MA 02138. The main phone number is 617-349-4770, and the email is CWD@cambridgema.gov.

Cambridge Water Emergency Phone Number

The official Water Department contact page says that if you are experiencing a water-related emergency, call the Water Department at 617-349-4770, 24 hours a day.

Cambridge Final Water Bill Request

The Water Bill Information page provides a final water bill request route. Final water bills are important when selling property, changing ownership, closing an account or needing a final balance for settlement.

How to Understand Your Cambridge Water Bill

The City’s “Understanding Your Water Bill” page explains that the Account Number identifies the customer and property address in the billing system. The City asks customers to use this number whenever contacting them with questions about the account.

Cambridge High Read, Leak and Meter Contact

The Water Department asks customers to keep current contact information on file so it can contact property owners when a “high read” is detected.

For high read contact information, the City lists waterbill@cambridgema.gov and asks customers to provide a contact person, account number, phone number and email address.

Cambridge Water Rates and Senior Discount Notes

The City uses a block rate system designed to encourage conservation and provide a more equitable billing system. The official Water Bill Information page also includes a Senior Discount Program.

The City says it offers a 15% discount, not to exceed $90 per fiscal year, to residents 65 or older who own and occupy their one, two or three family homes. Some residents who received a Clause 41C elderly exemption on FY2013 real estate taxes may receive a 30% discount, not to exceed $180 per fiscal year.

Cambridge Water Department Address, Map and Directions

The official Cambridge Water Department address is 250 Fresh Pond Parkway, Cambridge, MA 02138. For payment-specific questions, the Tax Collector’s Office is the better contact, but the Water Department address is useful for water service, department and contact matters.

Cambridge Water Department Phone Numbers, Address and Hours

Use this table when you need to pay, call, mail a check, ask about a meter, request a final bill, report an emergency or find the correct official Cambridge contact.

Official Cambridge Water Bill Links and Resources

Use these official resources first. They help avoid fake payment pages, wrong phone numbers, old links and confusion between the Water Department and the Tax Collector’s Office.

FAQs About Cambridge Water Department Bill Pay

Best Way to Pay Cambridge Water Department Bill in 2026

The best normal payment route is the official City of Cambridge Pay or View a Bill Online page. Review the card or E-check convenience fee before submitting payment.

For payment questions, call the Tax Collector’s Office at 617-349-4220. For meter readings, address changes and service calls, call 617-349-4771. For a water-related emergency, call 617-349-4770 24 hours a day. For Water Department office matters, use 250 Fresh Pond Parkway, Cambridge, MA 02138.