According to our records, this business is located at 949 B St. in Los Altos (in Santa Clara County), California 94024, the location GPS coordinates are: 37.3536486 (latitude), -122.0874504 (longitude). California Water Service Co is categorized under Multipoint Distribution Systems Services (Mds) (SIC code 4841). Known organization manager is Ron Richardson. You can contact the company by phone at (650) 917-0152.