One Call Will Solve All Your Septic Problems! Clay's Septic Service is a family-owned and -operated business. We take special pride in our work and always keep our customers' interests in mind. We are here to help you with all of your non-hazardous liquid waste needs, whether you're looking for anything from septic tank service to grease traps. We are a licensed service provider with the state of California, and we provide a reliable, honest and safe service. Our service technicians arrive at your door promptly, and they are clean, courteous and uniformed. Each technician is equipped with the knowledge, experience and modern equipment necessary to solve your problem.