California Water Service Company

Customer Assistance Program (formerly known as LIRA)

(877) 419-1701
(209) 547-7900 (Stockton Customer Center)

To qualify for California Water Service Company Customer Assistance Program (CAP) you need the following:

  • The Cal Water bill must be in your name.
  • You must live at the address where the discount will be received.
  • Your household (single family residence) must meet the income guidelines detailed below OR someone in your household must be enrolled in a qualified public assistance program.
  • You must notify Cal Water if your household no longer qualifies for the CAP discount.
  • Following enrollment, you may be required to provide proof of eligibility.
  • You are required to recertify your eligibility every two years (four years if you have documentation proving you are handicapped or elderly [62+]).

Maximum Household Income (effective June 1, 2021 – May 31, 2022)

To be eligible for CAP based on household income, your household’s gross annual income may not exceed the guidelines. Please visit their website.


California Water Service Company Customer Assistance Program (CAP) provides a monthly discount service charge for qualified residential customers in a Cal Water regulated service area. Please call or visit the website for an application.

Monday through Friday 8:30 a.m. to 4:30 p.m.
Filed Under


Customer Support Services
1720 North First Street
San Jose, CA  95112
[Map & Directions]
Stockton Customer Center
1505 East Sonora Street
Stockton, CA  95205
[Map & Directions]