Customer Care
San Jose Water takes pride in the service we provide to our customers and our communities. For us, customer service means being available to answer your questions promptly, respond quickly to emergencies, provide a safe and reliable water supply, and much more. Browse this section to find information on billing and payment, service alerts, starting service, and other service topics.
Please enter your address to determine if you are in the San Jose Water service area:
Discover how easy it is to pay your bill online. No need to write checks or pay for postage.
Visit Customer Portal FAQs to learn more.
We provide many different ways to manage your water service. You can start or stop your service online or by email, phone or fax.
San Jose Water has partnered with Promise to offer our customers affordable, convenient, and flexible PromisePay payment plans for their past due bills.
Click here to learn more and enroll today!
We offer you an easy and convenient way to better understand your bill.
San Jose Water's rates are set by an independent third party, the California Public Utilities Commission (CPUC). The CPUC's mission is to protect utility customers and ensure the rates charged by all utilities are fair and reasonable.
Have a question about who is responsible for the water infrastructure on or near your property? We have all the answers for you in one spot!
How is My Rate Calculated?
Watch this video to find out.
Contact Us
We're Here to Help. Call or email us at (408) 279-7900 or customer.service@sjwater.com.
New Service Charge Calculations
In August 2022, SJW introduced a new way of calculating your service charge. Learn more about this new calculation.
System Impacts
S DS Sierra Vista Pl- Muirfield Dr
Start Date: Thursday, February 12th 2026 - 8:30am
End Date: Thursday, February 12th 2026 - 3:00pm
Location: Sierra Vista Pl- Muirfield Dr
Service Impact: Low Flow
Nature of Work: Dig to Replace Hydrant
S DS Saratoga Ave- Kiely Blvd- Northlake Dr
Start Date: Thursday, February 12th 2026 - 11:30pm
End Date: Friday, February 13th 2026 - 5:00am
Location: Saratoga Ave- Kiely Blvd- Northlake Dr
Service Impact: Low Flow
Nature of Work: Dig to Replace Hydrant
S CONST Johnson to Loree Loree to Sterling
Start Date: Tuesday, February 17th 2026 - 9:00am
End Date: Tuesday, February 17th 2026 - 3:00pm
Location: Johnson to Loree Loree to Sterling
Service Impact: Total Outage
Nature of Work: Mainline tie in
S CONST Johnson from Loree to Barnhart
Start Date: Wednesday, February 18th 2026 - 9:00am
End Date: Wednesday, February 18th 2026 - 3:00pm
Location: Johnson from Loree to Barnhart
Service Impact: Total Outage
Nature of Work: Mainline tie in
S CONST Barnhart from Wunderlich to Johnson
Start Date: Thursday, February 19th 2026 - 9:00am
End Date: Thursday, February 19th 2026 - 3:00pm
Location: Barnhart from Wunderlich to Johnson
Service Impact: Total Outage
Nature of Work: Mainline tie in
S CONST Johnson at Wunderlich
Start Date: Friday, February 20th 2026 - 9:00am
End Date: Friday, February 20th 2026 - 3:00pm
Location: Johnson at Wunderlich
Service Impact: Total Outage
Nature of Work: Mainline tie in
S CONST Rose to Andrews and Highway 9 to Viewfield Rd
Start Date: Monday, February 23rd 2026 - 9:00am
End Date: Monday, February 23rd 2026 - 3:00pm
Location: Rose to Andrews and Highway 9 to Viewfield Rd
Service Impact: Total Outage
Nature of Work: Mainline tie in
