Insurance brokers serving California since 1976. John Campbell opened the doors to his insurance agency on March 1, 1976. A year later, his wife joined him in the business. Since then, the agency has grown to a staff of 9 employee's. Working with John L. Campbell Insurance means you'll only need one place for all of your insurance needs. John L. Campbell Insurance insures auto's, homes, commercial property, businesses, throughout the United States, Mexico & Europe. We believe that if we don't take care of our clients, someone else will. It's our goal to provide the best possible service to our clients and give them the necessary information to make informed decisions about their insurance needs.