Heffernan Walton Office 1731 Technology Drive, Suite 250San Jose, California 95110408-265-2800877-265-2801408-265-9174service@heffwalt.comMonday - Friday 8:00am - 5:00pm Claims HelpDo you need to file a claim? Find out what you'll need, and get your insurance company's contact info right here.Policy ChangesYou can request changes to your insurance policy online. Add/change drivers, add/change vehicles, and more.Service OptionsNeed service? Order auto ID cards, request a certificate of insurance, and more.